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Finding the Fourth Proportional to 636,478.56, 954,646.56 and 163,175.04

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Solution

The fourth proportional to 636,478.56, 954,646.56 and 163,175.04 is: 244,744.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,478.56 : 954,646.56 = 163,175.04 : x
  2. Step 2: Convert to fraction form
    636,478.56/954,646.56 = 163,175.04/x
  3. Step 3: Cross multiply
    636,478.56x = 954,646.56 × 163,175.04
  4. Step 4: Simplify right side
    636,478.56x = 155,774,490,613.86
  5. Step 5: Solve for x
    x = 155,774,490,613.86/636,478.56
  6. Step 6: Final answer
    x = 244,744.29

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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.