Home / 238,345.20-328,915.62-130,921.92

Finding the Fourth Proportional to 238,345.20, 328,915.62 and 130,921.92

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Solution

The fourth proportional to 238,345.20, 328,915.62 and 130,921.92 is: 180,671.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,345.20 : 328,915.62 = 130,921.92 : x
  2. Step 2: Convert to fraction form
    238,345.20/328,915.62 = 130,921.92/x
  3. Step 3: Cross multiply
    238,345.20x = 328,915.62 × 130,921.92
  4. Step 4: Simplify right side
    238,345.20x = 43,062,264,488.39
  5. Step 5: Solve for x
    x = 43,062,264,488.39/238,345.20
  6. Step 6: Final answer
    x = 180,671.83

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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.