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Finding the Fourth Proportional to 557,663.60, 836,495.40 and 158,265.20

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Solution

The fourth proportional to 557,663.60, 836,495.40 and 158,265.20 is: 237,397.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,663.60 : 836,495.40 = 158,265.20 : x
  2. Step 2: Convert to fraction form
    557,663.60/836,495.40 = 158,265.20/x
  3. Step 3: Cross multiply
    557,663.60x = 836,495.40 × 158,265.20
  4. Step 4: Simplify right side
    557,663.60x = 132,388,111,780.08
  5. Step 5: Solve for x
    x = 132,388,111,780.08/557,663.60
  6. Step 6: Final answer
    x = 237,397.80

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Similar ratio
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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.