Home / 359,285.17-539,044.40-172,311.25

Finding the Fourth Proportional to 359,285.17, 539,044.40 and 172,311.25

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Solution

The fourth proportional to 359,285.17, 539,044.40 and 172,311.25 is: 258,522.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,285.17 : 539,044.40 = 172,311.25 : x
  2. Step 2: Convert to fraction form
    359,285.17/539,044.40 = 172,311.25/x
  3. Step 3: Cross multiply
    359,285.17x = 539,044.40 × 172,311.25
  4. Step 4: Simplify right side
    359,285.17x = 92,883,414,369.50
  5. Step 5: Solve for x
    x = 92,883,414,369.50/359,285.17
  6. Step 6: Final answer
    x = 258,522.82

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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.