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Finding the Fourth Proportional to 636,818.04, 954,897.30 and 187,480.44

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Solution

The fourth proportional to 636,818.04, 954,897.30 and 187,480.44 is: 281,123.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,818.04 : 954,897.30 = 187,480.44 : x
  2. Step 2: Convert to fraction form
    636,818.04/954,897.30 = 187,480.44/x
  3. Step 3: Cross multiply
    636,818.04x = 954,897.30 × 187,480.44
  4. Step 4: Simplify right side
    636,818.04x = 179,024,565,958.81
  5. Step 5: Solve for x
    x = 179,024,565,958.81/636,818.04
  6. Step 6: Final answer
    x = 281,123.58

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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.