Home / 285,932.16-428,773.65-96,357.21

Finding the Fourth Proportional to 285,932.16, 428,773.65 and 96,357.21

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Solution

The fourth proportional to 285,932.16, 428,773.65 and 96,357.21 is: 144,493.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,932.16 : 428,773.65 = 96,357.21 : x
  2. Step 2: Convert to fraction form
    285,932.16/428,773.65 = 96,357.21/x
  3. Step 3: Cross multiply
    285,932.16x = 428,773.65 × 96,357.21
  4. Step 4: Simplify right side
    285,932.16x = 41,315,432,635.52
  5. Step 5: Solve for x
    x = 41,315,432,635.52/285,932.16
  6. Step 6: Final answer
    x = 144,493.83

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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.