Home / 285,067.47-427,151.07-231,498.76

Finding the Fourth Proportional to 285,067.47, 427,151.07 and 231,498.76

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Solution

The fourth proportional to 285,067.47, 427,151.07 and 231,498.76 is: 346,882.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,067.47 : 427,151.07 = 231,498.76 : x
  2. Step 2: Convert to fraction form
    285,067.47/427,151.07 = 231,498.76/x
  3. Step 3: Cross multiply
    285,067.47x = 427,151.07 × 231,498.76
  4. Step 4: Simplify right side
    285,067.47x = 98,884,943,037.67
  5. Step 5: Solve for x
    x = 98,884,943,037.67/285,067.47
  6. Step 6: Final answer
    x = 346,882.59

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1.5x scale

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.