Home / 352,002.60-527,082.30-257,999.40

Finding the Fourth Proportional to 352,002.60, 527,082.30 and 257,999.40

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Solution

The fourth proportional to 352,002.60, 527,082.30 and 257,999.40 is: 386,323.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,002.60 : 527,082.30 = 257,999.40 : x
  2. Step 2: Convert to fraction form
    352,002.60/527,082.30 = 257,999.40/x
  3. Step 3: Cross multiply
    352,002.60x = 527,082.30 × 257,999.40
  4. Step 4: Simplify right side
    352,002.60x = 135,986,917,150.62
  5. Step 5: Solve for x
    x = 135,986,917,150.62/352,002.60
  6. Step 6: Final answer
    x = 386,323.62

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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.