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Finding the Fourth Proportional to 238,329.80, 328,897.82 and 130,902.33

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Solution

The fourth proportional to 238,329.80, 328,897.82 and 130,902.33 is: 180,646.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,329.80 : 328,897.82 = 130,902.33 : x
  2. Step 2: Convert to fraction form
    238,329.80/328,897.82 = 130,902.33/x
  3. Step 3: Cross multiply
    238,329.80x = 328,897.82 × 130,902.33
  4. Step 4: Simplify right side
    238,329.80x = 43,053,491,297.18
  5. Step 5: Solve for x
    x = 43,053,491,297.18/238,329.80
  6. Step 6: Final answer
    x = 180,646.70

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1.5x scale

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.