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Finding the Fourth Proportional to 238,602.73, 329,278.06 and 129,714.39

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Solution

The fourth proportional to 238,602.73, 329,278.06 and 129,714.39 is: 179,009.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,602.73 : 329,278.06 = 129,714.39 : x
  2. Step 2: Convert to fraction form
    238,602.73/329,278.06 = 129,714.39/x
  3. Step 3: Cross multiply
    238,602.73x = 329,278.06 × 129,714.39
  4. Step 4: Simplify right side
    238,602.73x = 42,712,101,929.33
  5. Step 5: Solve for x
    x = 42,712,101,929.33/238,602.73
  6. Step 6: Final answer
    x = 179,009.28

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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.