Home / 317,636.10-474,169.34-272,167.90

Finding the Fourth Proportional to 317,636.10, 474,169.34 and 272,167.90

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Solution

The fourth proportional to 317,636.10, 474,169.34 and 272,167.90 is: 406,294.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,636.10 : 474,169.34 = 272,167.90 : x
  2. Step 2: Convert to fraction form
    317,636.10/474,169.34 = 272,167.90/x
  3. Step 3: Cross multiply
    317,636.10x = 474,169.34 × 272,167.90
  4. Step 4: Simplify right side
    317,636.10x = 129,053,673,007.18
  5. Step 5: Solve for x
    x = 129,053,673,007.18/317,636.10
  6. Step 6: Final answer
    x = 406,294.10

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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.