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Finding the Fourth Proportional to 382,000.09, 527,171.49 and 220,840.87

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Solution

The fourth proportional to 382,000.09, 527,171.49 and 220,840.87 is: 304,766.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,000.09 : 527,171.49 = 220,840.87 : x
  2. Step 2: Convert to fraction form
    382,000.09/527,171.49 = 220,840.87/x
  3. Step 3: Cross multiply
    382,000.09x = 527,171.49 × 220,840.87
  4. Step 4: Simplify right side
    382,000.09x = 116,421,010,490.80
  5. Step 5: Solve for x
    x = 116,421,010,490.80/382,000.09
  6. Step 6: Final answer
    x = 304,766.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.