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Finding the Fourth Proportional to 232,254.88, 320,515.14 and 130,302.88

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Solution

The fourth proportional to 232,254.88, 320,515.14 and 130,302.88 is: 179,819.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,254.88 : 320,515.14 = 130,302.88 : x
  2. Step 2: Convert to fraction form
    232,254.88/320,515.14 = 130,302.88/x
  3. Step 3: Cross multiply
    232,254.88x = 320,515.14 × 130,302.88
  4. Step 4: Simplify right side
    232,254.88x = 41,764,045,825.60
  5. Step 5: Solve for x
    x = 41,764,045,825.60/232,254.88
  6. Step 6: Final answer
    x = 179,819.89

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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.