Home / 296,476.05-444,721.37-86,115.81

Finding the Fourth Proportional to 296,476.05, 444,721.37 and 86,115.81

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Solution

The fourth proportional to 296,476.05, 444,721.37 and 86,115.81 is: 129,175.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,476.05 : 444,721.37 = 86,115.81 : x
  2. Step 2: Convert to fraction form
    296,476.05/444,721.37 = 86,115.81/x
  3. Step 3: Cross multiply
    296,476.05x = 444,721.37 × 86,115.81
  4. Step 4: Simplify right side
    296,476.05x = 38,297,541,001.86
  5. Step 5: Solve for x
    x = 38,297,541,001.86/296,476.05
  6. Step 6: Final answer
    x = 129,175.83

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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.