Home / 381,984.66-572,966.66-129,263.45

Finding the Fourth Proportional to 381,984.66, 572,966.66 and 129,263.45

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Solution

The fourth proportional to 381,984.66, 572,966.66 and 129,263.45 is: 193,891.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,984.66 : 572,966.66 = 129,263.45 : x
  2. Step 2: Convert to fraction form
    381,984.66/572,966.66 = 129,263.45/x
  3. Step 3: Cross multiply
    381,984.66x = 572,966.66 × 129,263.45
  4. Step 4: Simplify right side
    381,984.66x = 74,063,644,664.90
  5. Step 5: Solve for x
    x = 74,063,644,664.90/381,984.66
  6. Step 6: Final answer
    x = 193,891.67

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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.