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Finding the Fourth Proportional to 625,213.80, 937,820.70 and 204,388.20

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Solution

The fourth proportional to 625,213.80, 937,820.70 and 204,388.20 is: 306,582.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,213.80 : 937,820.70 = 204,388.20 : x
  2. Step 2: Convert to fraction form
    625,213.80/937,820.70 = 204,388.20/x
  3. Step 3: Cross multiply
    625,213.80x = 937,820.70 × 204,388.20
  4. Step 4: Simplify right side
    625,213.80x = 191,679,484,795.74
  5. Step 5: Solve for x
    x = 191,679,484,795.74/625,213.80
  6. Step 6: Final answer
    x = 306,582.30

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Similar ratio
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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.