Home / 238,502.40-329,131.20-131,073.60

Finding the Fourth Proportional to 238,502.40, 329,131.20 and 131,073.60

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Solution

The fourth proportional to 238,502.40, 329,131.20 and 131,073.60 is: 180,880.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,502.40 : 329,131.20 = 131,073.60 : x
  2. Step 2: Convert to fraction form
    238,502.40/329,131.20 = 131,073.60/x
  3. Step 3: Cross multiply
    238,502.40x = 329,131.20 × 131,073.60
  4. Step 4: Simplify right side
    238,502.40x = 43,140,411,256.32
  5. Step 5: Solve for x
    x = 43,140,411,256.32/238,502.40
  6. Step 6: Final answer
    x = 180,880.41

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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.