Home / 485,528.88-727,332.12-229,010.16

Finding the Fourth Proportional to 485,528.88, 727,332.12 and 229,010.16

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Solution

The fourth proportional to 485,528.88, 727,332.12 and 229,010.16 is: 343,061.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,528.88 : 727,332.12 = 229,010.16 : x
  2. Step 2: Convert to fraction form
    485,528.88/727,332.12 = 229,010.16/x
  3. Step 3: Cross multiply
    485,528.88x = 727,332.12 × 229,010.16
  4. Step 4: Simplify right side
    485,528.88x = 166,566,445,174.34
  5. Step 5: Solve for x
    x = 166,566,445,174.34/485,528.88
  6. Step 6: Final answer
    x = 343,061.87

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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.