Home / 381,254.02-571,885.14-115,016.85

Finding the Fourth Proportional to 381,254.02, 571,885.14 and 115,016.85

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Solution

The fourth proportional to 381,254.02, 571,885.14 and 115,016.85 is: 172,526.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,254.02 : 571,885.14 = 115,016.85 : x
  2. Step 2: Convert to fraction form
    381,254.02/571,885.14 = 115,016.85/x
  3. Step 3: Cross multiply
    381,254.02x = 571,885.14 × 115,016.85
  4. Step 4: Simplify right side
    381,254.02x = 65,776,424,505.18
  5. Step 5: Solve for x
    x = 65,776,424,505.18/381,254.02
  6. Step 6: Final answer
    x = 172,526.51

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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.