Home / 318,714.98-477,961.06-94,015.76

Finding the Fourth Proportional to 318,714.98, 477,961.06 and 94,015.76

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Solution

The fourth proportional to 318,714.98, 477,961.06 and 94,015.76 is: 140,990.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,714.98 : 477,961.06 = 94,015.76 : x
  2. Step 2: Convert to fraction form
    318,714.98/477,961.06 = 94,015.76/x
  3. Step 3: Cross multiply
    318,714.98x = 477,961.06 × 94,015.76
  4. Step 4: Simplify right side
    318,714.98x = 44,935,872,306.31
  5. Step 5: Solve for x
    x = 44,935,872,306.31/318,714.98
  6. Step 6: Final answer
    x = 140,990.78

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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.