Home / 317,636.31-474,169.65-272,168.04

Finding the Fourth Proportional to 317,636.31, 474,169.65 and 272,168.04

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Solution

The fourth proportional to 317,636.31, 474,169.65 and 272,168.04 is: 406,294.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,636.31 : 474,169.65 = 272,168.04 : x
  2. Step 2: Convert to fraction form
    317,636.31/474,169.65 = 272,168.04/x
  3. Step 3: Cross multiply
    317,636.31x = 474,169.65 × 272,168.04
  4. Step 4: Simplify right side
    317,636.31x = 129,053,824,267.99
  5. Step 5: Solve for x
    x = 129,053,824,267.99/317,636.31
  6. Step 6: Final answer
    x = 406,294.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.