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Finding the Fourth Proportional to 241,887.69, 362,862.45 and 79,727.40

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Solution

The fourth proportional to 241,887.69, 362,862.45 and 79,727.40 is: 119,601.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,887.69 : 362,862.45 = 79,727.40 : x
  2. Step 2: Convert to fraction form
    241,887.69/362,862.45 = 79,727.40/x
  3. Step 3: Cross multiply
    241,887.69x = 362,862.45 × 79,727.40
  4. Step 4: Simplify right side
    241,887.69x = 28,930,079,696.13
  5. Step 5: Solve for x
    x = 28,930,079,696.13/241,887.69
  6. Step 6: Final answer
    x = 119,601.29

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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.