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Finding the Fourth Proportional to 347,592.60, 521,757.60 and 307,869.48

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Solution

The fourth proportional to 347,592.60, 521,757.60 and 307,869.48 is: 462,130.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,592.60 : 521,757.60 = 307,869.48 : x
  2. Step 2: Convert to fraction form
    347,592.60/521,757.60 = 307,869.48/x
  3. Step 3: Cross multiply
    347,592.60x = 521,757.60 × 307,869.48
  4. Step 4: Simplify right side
    347,592.60x = 160,633,240,998.05
  5. Step 5: Solve for x
    x = 160,633,240,998.05/347,592.60
  6. Step 6: Final answer
    x = 462,130.78

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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.