Home / 330,359.02-495,612.38-105,732.92

Finding the Fourth Proportional to 330,359.02, 495,612.38 and 105,732.92

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Solution

The fourth proportional to 330,359.02, 495,612.38 and 105,732.92 is: 158,623.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,359.02 : 495,612.38 = 105,732.92 : x
  2. Step 2: Convert to fraction form
    330,359.02/495,612.38 = 105,732.92/x
  3. Step 3: Cross multiply
    330,359.02x = 495,612.38 × 105,732.92
  4. Step 4: Simplify right side
    330,359.02x = 52,402,544,125.55
  5. Step 5: Solve for x
    x = 52,402,544,125.55/330,359.02
  6. Step 6: Final answer
    x = 158,623.02

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1.5x scale

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.