Home / 385,098.20-577,340.10-163,299.80

Finding the Fourth Proportional to 385,098.20, 577,340.10 and 163,299.80

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Solution

The fourth proportional to 385,098.20, 577,340.10 and 163,299.80 is: 244,819.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,098.20 : 577,340.10 = 163,299.80 : x
  2. Step 2: Convert to fraction form
    385,098.20/577,340.10 = 163,299.80/x
  3. Step 3: Cross multiply
    385,098.20x = 577,340.10 × 163,299.80
  4. Step 4: Simplify right side
    385,098.20x = 94,279,522,861.98
  5. Step 5: Solve for x
    x = 94,279,522,861.98/385,098.20
  6. Step 6: Final answer
    x = 244,819.43

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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.