Home / 381,272.52-571,536.82-181,539.24

Finding the Fourth Proportional to 381,272.52, 571,536.82 and 181,539.24

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Solution

The fourth proportional to 381,272.52, 571,536.82 and 181,539.24 is: 272,131.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,272.52 : 571,536.82 = 181,539.24 : x
  2. Step 2: Convert to fraction form
    381,272.52/571,536.82 = 181,539.24/x
  3. Step 3: Cross multiply
    381,272.52x = 571,536.82 × 181,539.24
  4. Step 4: Simplify right side
    381,272.52x = 103,756,359,934.82
  5. Step 5: Solve for x
    x = 103,756,359,934.82/381,272.52
  6. Step 6: Final answer
    x = 272,131.75

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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.