Home / 352,004.20-527,228.70-272,861.80

Finding the Fourth Proportional to 352,004.20, 527,228.70 and 272,861.80

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Solution

The fourth proportional to 352,004.20, 527,228.70 and 272,861.80 is: 408,689.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,004.20 : 527,228.70 = 272,861.80 : x
  2. Step 2: Convert to fraction form
    352,004.20/527,228.70 = 272,861.80/x
  3. Step 3: Cross multiply
    352,004.20x = 527,228.70 × 272,861.80
  4. Step 4: Simplify right side
    352,004.20x = 143,860,572,093.66
  5. Step 5: Solve for x
    x = 143,860,572,093.66/352,004.20
  6. Step 6: Final answer
    x = 408,689.93

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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.