Home / 296,587.27-444,956.77-86,225.21

Finding the Fourth Proportional to 296,587.27, 444,956.77 and 86,225.21

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Solution

The fourth proportional to 296,587.27, 444,956.77 and 86,225.21 is: 129,359.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,587.27 : 444,956.77 = 86,225.21 : x
  2. Step 2: Convert to fraction form
    296,587.27/444,956.77 = 86,225.21/x
  3. Step 3: Cross multiply
    296,587.27x = 444,956.77 × 86,225.21
  4. Step 4: Simplify right side
    296,587.27x = 38,366,488,709.39
  5. Step 5: Solve for x
    x = 38,366,488,709.39/296,587.27
  6. Step 6: Final answer
    x = 129,359.87

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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.