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Finding the Fourth Proportional to 310,003, 465,008.82 and 88,387

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Solution

The fourth proportional to 310,003, 465,008.82 and 88,387 is: 132,581.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,003 : 465,008.82 = 88,387 : x
  2. Step 2: Convert to fraction form
    310,003/465,008.82 = 88,387/x
  3. Step 3: Cross multiply
    310,003x = 465,008.82 × 88,387
  4. Step 4: Simplify right side
    310,003x = 41,100,734,573.34
  5. Step 5: Solve for x
    x = 41,100,734,573.34/310,003
  6. Step 6: Final answer
    x = 132,581.73

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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.