Home / 330,541.75-495,847.86-105,821.83

Finding the Fourth Proportional to 330,541.75, 495,847.86 and 105,821.83

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Solution

The fourth proportional to 330,541.75, 495,847.86 and 105,821.83 is: 158,744.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,541.75 : 495,847.86 = 105,821.83 : x
  2. Step 2: Convert to fraction form
    330,541.75/495,847.86 = 105,821.83/x
  3. Step 3: Cross multiply
    330,541.75x = 495,847.86 × 105,821.83
  4. Step 4: Simplify right side
    330,541.75x = 52,471,527,946.78
  5. Step 5: Solve for x
    x = 52,471,527,946.78/330,541.75
  6. Step 6: Final answer
    x = 158,744.03

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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.