Home / 385,254.48-577,738-132,463.44

Finding the Fourth Proportional to 385,254.48, 577,738 and 132,463.44

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Solution

The fourth proportional to 385,254.48, 577,738 and 132,463.44 is: 198,645.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,254.48 : 577,738 = 132,463.44 : x
  2. Step 2: Convert to fraction form
    385,254.48/577,738 = 132,463.44/x
  3. Step 3: Cross multiply
    385,254.48x = 577,738 × 132,463.44
  4. Step 4: Simplify right side
    385,254.48x = 76,529,162,898.72
  5. Step 5: Solve for x
    x = 76,529,162,898.72/385,254.48
  6. Step 6: Final answer
    x = 198,645.74

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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.