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Finding the Fourth Proportional to 352,000.80, 527,284.40 and 218,471.20

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Solution

The fourth proportional to 352,000.80, 527,284.40 and 218,471.20 is: 327,261.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,000.80 : 527,284.40 = 218,471.20 : x
  2. Step 2: Convert to fraction form
    352,000.80/527,284.40 = 218,471.20/x
  3. Step 3: Cross multiply
    352,000.80x = 527,284.40 × 218,471.20
  4. Step 4: Simplify right side
    352,000.80x = 115,196,455,609.28
  5. Step 5: Solve for x
    x = 115,196,455,609.28/352,000.80
  6. Step 6: Final answer
    x = 327,261.91

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1.5x scale

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.