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Finding the Fourth Proportional to 663,266.76, 994,900.14 and 164,630.76

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Solution

The fourth proportional to 663,266.76, 994,900.14 and 164,630.76 is: 246,946.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,266.76 : 994,900.14 = 164,630.76 : x
  2. Step 2: Convert to fraction form
    663,266.76/994,900.14 = 164,630.76/x
  3. Step 3: Cross multiply
    663,266.76x = 994,900.14 × 164,630.76
  4. Step 4: Simplify right side
    663,266.76x = 163,791,166,172.31
  5. Step 5: Solve for x
    x = 163,791,166,172.31/663,266.76
  6. Step 6: Final answer
    x = 246,946.14

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.