Home / 330,357.02-495,609.38-105,730.92

Finding the Fourth Proportional to 330,357.02, 495,609.38 and 105,730.92

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Solution

The fourth proportional to 330,357.02, 495,609.38 and 105,730.92 is: 158,620.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,357.02 : 495,609.38 = 105,730.92 : x
  2. Step 2: Convert to fraction form
    330,357.02/495,609.38 = 105,730.92/x
  3. Step 3: Cross multiply
    330,357.02x = 495,609.38 × 105,730.92
  4. Step 4: Simplify right side
    330,357.02x = 52,401,235,708.03
  5. Step 5: Solve for x
    x = 52,401,235,708.03/330,357.02
  6. Step 6: Final answer
    x = 158,620.02

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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.