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Finding the Fourth Proportional to 454,325.74, 626,996.92 and 250,376.12

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Solution

The fourth proportional to 454,325.74, 626,996.92 and 250,376.12 is: 345,534.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,325.74 : 626,996.92 = 250,376.12 : x
  2. Step 2: Convert to fraction form
    454,325.74/626,996.92 = 250,376.12/x
  3. Step 3: Cross multiply
    454,325.74x = 626,996.92 × 250,376.12
  4. Step 4: Simplify right side
    454,325.74x = 156,985,056,081.55
  5. Step 5: Solve for x
    x = 156,985,056,081.55/454,325.74
  6. Step 6: Final answer
    x = 345,534.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.