Home / 330,017.46-495,022-105,375.04

Finding the Fourth Proportional to 330,017.46, 495,022 and 105,375.04

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Solution

The fourth proportional to 330,017.46, 495,022 and 105,375.04 is: 158,061.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,017.46 : 495,022 = 105,375.04 : x
  2. Step 2: Convert to fraction form
    330,017.46/495,022 = 105,375.04/x
  3. Step 3: Cross multiply
    330,017.46x = 495,022 × 105,375.04
  4. Step 4: Simplify right side
    330,017.46x = 52,162,963,050.88
  5. Step 5: Solve for x
    x = 52,162,963,050.88/330,017.46
  6. Step 6: Final answer
    x = 158,061.22

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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.