Home / 440,542.20-660,490.04-140,850.30

Finding the Fourth Proportional to 440,542.20, 660,490.04 and 140,850.30

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Solution

The fourth proportional to 440,542.20, 660,490.04 and 140,850.30 is: 211,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,542.20 : 660,490.04 = 140,850.30 : x
  2. Step 2: Convert to fraction form
    440,542.20/660,490.04 = 140,850.30/x
  3. Step 3: Cross multiply
    440,542.20x = 660,490.04 × 140,850.30
  4. Step 4: Simplify right side
    440,542.20x = 93,030,220,281.01
  5. Step 5: Solve for x
    x = 93,030,220,281.01/440,542.20
  6. Step 6: Final answer
    x = 211,172.10

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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.