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Finding the Fourth Proportional to 238,673.61, 329,370.75 and 131,250.60

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Solution

The fourth proportional to 238,673.61, 329,370.75 and 131,250.60 is: 181,126.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,673.61 : 329,370.75 = 131,250.60 : x
  2. Step 2: Convert to fraction form
    238,673.61/329,370.75 = 131,250.60/x
  3. Step 3: Cross multiply
    238,673.61x = 329,370.75 × 131,250.60
  4. Step 4: Simplify right side
    238,673.61x = 43,230,108,559.95
  5. Step 5: Solve for x
    x = 43,230,108,559.95/238,673.61
  6. Step 6: Final answer
    x = 181,126.47

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1.5x scale

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.