Home / 285,518.33-428,331.50-114,753.31

Finding the Fourth Proportional to 285,518.33, 428,331.50 and 114,753.31

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Solution

The fourth proportional to 285,518.33, 428,331.50 and 114,753.31 is: 172,151.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,518.33 : 428,331.50 = 114,753.31 : x
  2. Step 2: Convert to fraction form
    285,518.33/428,331.50 = 114,753.31/x
  3. Step 3: Cross multiply
    285,518.33x = 428,331.50 × 114,753.31
  4. Step 4: Simplify right side
    285,518.33x = 49,152,454,686.84
  5. Step 5: Solve for x
    x = 49,152,454,686.84/285,518.33
  6. Step 6: Final answer
    x = 172,151.66

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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.