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Finding the Fourth Proportional to 254,232, 381,348 and 88,020

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Solution

The fourth proportional to 254,232, 381,348 and 88,020 is: 132,030

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,232 : 381,348 = 88,020 : x
  2. Step 2: Convert to fraction form
    254,232/381,348 = 88,020/x
  3. Step 3: Cross multiply
    254,232x = 381,348 × 88,020
  4. Step 4: Simplify right side
    254,232x = 33,566,250,960
  5. Step 5: Solve for x
    x = 33,566,250,960/254,232
  6. Step 6: Final answer
    x = 132,030

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.