Home / 238,079.26-328,498.05-137,418.94

Finding the Fourth Proportional to 238,079.26, 328,498.05 and 137,418.94

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Solution

The fourth proportional to 238,079.26, 328,498.05 and 137,418.94 is: 189,608.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,079.26 : 328,498.05 = 137,418.94 : x
  2. Step 2: Convert to fraction form
    238,079.26/328,498.05 = 137,418.94/x
  3. Step 3: Cross multiply
    238,079.26x = 328,498.05 × 137,418.94
  4. Step 4: Simplify right side
    238,079.26x = 45,141,853,823.07
  5. Step 5: Solve for x
    x = 45,141,853,823.07/238,079.26
  6. Step 6: Final answer
    x = 189,608.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.