Home / 499,172.12-688,847.30-272,819.24

Finding the Fourth Proportional to 499,172.12, 688,847.30 and 272,819.24

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Solution

The fourth proportional to 499,172.12, 688,847.30 and 272,819.24 is: 376,484.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,172.12 : 688,847.30 = 272,819.24 : x
  2. Step 2: Convert to fraction form
    499,172.12/688,847.30 = 272,819.24/x
  3. Step 3: Cross multiply
    499,172.12x = 688,847.30 × 272,819.24
  4. Step 4: Simplify right side
    499,172.12x = 187,930,796,862.05
  5. Step 5: Solve for x
    x = 187,930,796,862.05/499,172.12
  6. Step 6: Final answer
    x = 376,484.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.