Home / 238,064.54-328,517.78-130,632.21

Finding the Fourth Proportional to 238,064.54, 328,517.78 and 130,632.21

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Solution

The fourth proportional to 238,064.54, 328,517.78 and 130,632.21 is: 180,266.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,064.54 : 328,517.78 = 130,632.21 : x
  2. Step 2: Convert to fraction form
    238,064.54/328,517.78 = 130,632.21/x
  3. Step 3: Cross multiply
    238,064.54x = 328,517.78 × 130,632.21
  4. Step 4: Simplify right side
    238,064.54x = 42,915,002,972.53
  5. Step 5: Solve for x
    x = 42,915,002,972.53/238,064.54
  6. Step 6: Final answer
    x = 180,266.26

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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.