Home / 238,255.30-328,821.94-136,266.60

Finding the Fourth Proportional to 238,255.30, 328,821.94 and 136,266.60

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Solution

The fourth proportional to 238,255.30, 328,821.94 and 136,266.60 is: 188,064.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,255.30 : 328,821.94 = 136,266.60 : x
  2. Step 2: Convert to fraction form
    238,255.30/328,821.94 = 136,266.60/x
  3. Step 3: Cross multiply
    238,255.30x = 328,821.94 × 136,266.60
  4. Step 4: Simplify right side
    238,255.30x = 44,807,447,769.20
  5. Step 5: Solve for x
    x = 44,807,447,769.20/238,255.30
  6. Step 6: Final answer
    x = 188,064.85

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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.