Home / 523,149.80-784,731.94-149,172.76

Finding the Fourth Proportional to 523,149.80, 784,731.94 and 149,172.76

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Solution

The fourth proportional to 523,149.80, 784,731.94 and 149,172.76 is: 223,761.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,149.80 : 784,731.94 = 149,172.76 : x
  2. Step 2: Convert to fraction form
    523,149.80/784,731.94 = 149,172.76/x
  3. Step 3: Cross multiply
    523,149.80x = 784,731.94 × 149,172.76
  4. Step 4: Simplify right side
    523,149.80x = 117,060,629,349.95
  5. Step 5: Solve for x
    x = 117,060,629,349.95/523,149.80
  6. Step 6: Final answer
    x = 223,761.20

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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.