Home / 381,364.66-571,641.02-181,262.36

Finding the Fourth Proportional to 381,364.66, 571,641.02 and 181,262.36

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Solution

The fourth proportional to 381,364.66, 571,641.02 and 181,262.36 is: 271,700.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,364.66 : 571,641.02 = 181,262.36 : x
  2. Step 2: Convert to fraction form
    381,364.66/571,641.02 = 181,262.36/x
  3. Step 3: Cross multiply
    381,364.66x = 571,641.02 × 181,262.36
  4. Step 4: Simplify right side
    381,364.66x = 103,616,998,854.85
  5. Step 5: Solve for x
    x = 103,616,998,854.85/381,364.66
  6. Step 6: Final answer
    x = 271,700.58

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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.