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Finding the Fourth Proportional to 298,262.88, 411,755.22 and 230,126.76

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Solution

The fourth proportional to 298,262.88, 411,755.22 and 230,126.76 is: 317,692.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,262.88 : 411,755.22 = 230,126.76 : x
  2. Step 2: Convert to fraction form
    298,262.88/411,755.22 = 230,126.76/x
  3. Step 3: Cross multiply
    298,262.88x = 411,755.22 × 230,126.76
  4. Step 4: Simplify right side
    298,262.88x = 94,755,894,691.69
  5. Step 5: Solve for x
    x = 94,755,894,691.69/298,262.88
  6. Step 6: Final answer
    x = 317,692.55

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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.