Home / 285,502.20-428,260.14-95,965.32

Finding the Fourth Proportional to 285,502.20, 428,260.14 and 95,965.32

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Solution

The fourth proportional to 285,502.20, 428,260.14 and 95,965.32 is: 143,950.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,502.20 : 428,260.14 = 95,965.32 : x
  2. Step 2: Convert to fraction form
    285,502.20/428,260.14 = 95,965.32/x
  3. Step 3: Cross multiply
    285,502.20x = 428,260.14 × 95,965.32
  4. Step 4: Simplify right side
    285,502.20x = 41,098,121,378.34
  5. Step 5: Solve for x
    x = 41,098,121,378.34/285,502.20
  6. Step 6: Final answer
    x = 143,950.28

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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.