Home / 330,327.72-495,524.39-105,631.70

Finding the Fourth Proportional to 330,327.72, 495,524.39 and 105,631.70

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Solution

The fourth proportional to 330,327.72, 495,524.39 and 105,631.70 is: 158,458.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,327.72 : 495,524.39 = 105,631.70 : x
  2. Step 2: Convert to fraction form
    330,327.72/495,524.39 = 105,631.70/x
  3. Step 3: Cross multiply
    330,327.72x = 495,524.39 × 105,631.70
  4. Step 4: Simplify right side
    330,327.72x = 52,343,080,701.38
  5. Step 5: Solve for x
    x = 52,343,080,701.38/330,327.72
  6. Step 6: Final answer
    x = 158,458.03

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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.