Home / 238,329.42-328,897.31-130,901.96

Finding the Fourth Proportional to 238,329.42, 328,897.31 and 130,901.96

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Solution

The fourth proportional to 238,329.42, 328,897.31 and 130,901.96 is: 180,646.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,329.42 : 328,897.31 = 130,901.96 : x
  2. Step 2: Convert to fraction form
    238,329.42/328,897.31 = 130,901.96/x
  3. Step 3: Cross multiply
    238,329.42x = 328,897.31 × 130,901.96
  4. Step 4: Simplify right side
    238,329.42x = 43,053,300,218.73
  5. Step 5: Solve for x
    x = 43,053,300,218.73/238,329.42
  6. Step 6: Final answer
    x = 180,646.18

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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.