Home / 437,619.10-656,428.65-157,164.70

Finding the Fourth Proportional to 437,619.10, 656,428.65 and 157,164.70

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Solution

The fourth proportional to 437,619.10, 656,428.65 and 157,164.70 is: 235,747.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,619.10 : 656,428.65 = 157,164.70 : x
  2. Step 2: Convert to fraction form
    437,619.10/656,428.65 = 157,164.70/x
  3. Step 3: Cross multiply
    437,619.10x = 656,428.65 × 157,164.70
  4. Step 4: Simplify right side
    437,619.10x = 103,167,411,848.66
  5. Step 5: Solve for x
    x = 103,167,411,848.66/437,619.10
  6. Step 6: Final answer
    x = 235,747.05

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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.