Home / 238,621.08-329,159.88-149,041.56

Finding the Fourth Proportional to 238,621.08, 329,159.88 and 149,041.56

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Solution

The fourth proportional to 238,621.08, 329,159.88 and 149,041.56 is: 205,591.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,621.08 : 329,159.88 = 149,041.56 : x
  2. Step 2: Convert to fraction form
    238,621.08/329,159.88 = 149,041.56/x
  3. Step 3: Cross multiply
    238,621.08x = 329,159.88 × 149,041.56
  4. Step 4: Simplify right side
    238,621.08x = 49,058,502,004.61
  5. Step 5: Solve for x
    x = 49,058,502,004.61/238,621.08
  6. Step 6: Final answer
    x = 205,591.65

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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.