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Finding the Fourth Proportional to 357,580.30, 536,839.23 and 239,778.76

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Solution

The fourth proportional to 357,580.30, 536,839.23 and 239,778.76 is: 359,982.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,580.30 : 536,839.23 = 239,778.76 : x
  2. Step 2: Convert to fraction form
    357,580.30/536,839.23 = 239,778.76/x
  3. Step 3: Cross multiply
    357,580.30x = 536,839.23 × 239,778.76
  4. Step 4: Simplify right side
    357,580.30x = 128,722,644,888.76
  5. Step 5: Solve for x
    x = 128,722,644,888.76/357,580.30
  6. Step 6: Final answer
    x = 359,982.48

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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.