Home / 395,129.92-592,096.18-261,531.55

Finding the Fourth Proportional to 395,129.92, 592,096.18 and 261,531.55

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Solution

The fourth proportional to 395,129.92, 592,096.18 and 261,531.55 is: 391,901.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,129.92 : 592,096.18 = 261,531.55 : x
  2. Step 2: Convert to fraction form
    395,129.92/592,096.18 = 261,531.55/x
  3. Step 3: Cross multiply
    395,129.92x = 592,096.18 × 261,531.55
  4. Step 4: Simplify right side
    395,129.92x = 154,851,831,704.48
  5. Step 5: Solve for x
    x = 154,851,831,704.48/395,129.92
  6. Step 6: Final answer
    x = 391,901.05

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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.