Home / 330,874.43-456,647.25-194,901.35

Finding the Fourth Proportional to 330,874.43, 456,647.25 and 194,901.35

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Solution

The fourth proportional to 330,874.43, 456,647.25 and 194,901.35 is: 268,987.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,874.43 : 456,647.25 = 194,901.35 : x
  2. Step 2: Convert to fraction form
    330,874.43/456,647.25 = 194,901.35/x
  3. Step 3: Cross multiply
    330,874.43x = 456,647.25 × 194,901.35
  4. Step 4: Simplify right side
    330,874.43x = 89,001,165,498.79
  5. Step 5: Solve for x
    x = 89,001,165,498.79/330,874.43
  6. Step 6: Final answer
    x = 268,987.74

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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.