Home / 238,909.77-329,558.36-149,330.25

Finding the Fourth Proportional to 238,909.77, 329,558.36 and 149,330.25

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Solution

The fourth proportional to 238,909.77, 329,558.36 and 149,330.25 is: 205,990.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,909.77 : 329,558.36 = 149,330.25 : x
  2. Step 2: Convert to fraction form
    238,909.77/329,558.36 = 149,330.25/x
  3. Step 3: Cross multiply
    238,909.77x = 329,558.36 × 149,330.25
  4. Step 4: Simplify right side
    238,909.77x = 49,213,031,541.74
  5. Step 5: Solve for x
    x = 49,213,031,541.74/238,909.77
  6. Step 6: Final answer
    x = 205,990.03

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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.