Home / 330,064.38-495,016.83-152,400.60

Finding the Fourth Proportional to 330,064.38, 495,016.83 and 152,400.60

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Solution

The fourth proportional to 330,064.38, 495,016.83 and 152,400.60 is: 228,564.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,064.38 : 495,016.83 = 152,400.60 : x
  2. Step 2: Convert to fraction form
    330,064.38/495,016.83 = 152,400.60/x
  3. Step 3: Cross multiply
    330,064.38x = 495,016.83 × 152,400.60
  4. Step 4: Simplify right side
    330,064.38x = 75,440,861,902.10
  5. Step 5: Solve for x
    x = 75,440,861,902.10/330,064.38
  6. Step 6: Final answer
    x = 228,564.08

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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.