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Finding the Fourth Proportional to 440,049.90, 659,200.05 and 240,012.30

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Solution

The fourth proportional to 440,049.90, 659,200.05 and 240,012.30 is: 359,541.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,049.90 : 659,200.05 = 240,012.30 : x
  2. Step 2: Convert to fraction form
    440,049.90/659,200.05 = 240,012.30/x
  3. Step 3: Cross multiply
    440,049.90x = 659,200.05 × 240,012.30
  4. Step 4: Simplify right side
    440,049.90x = 158,216,120,160.62
  5. Step 5: Solve for x
    x = 158,216,120,160.62/440,049.90
  6. Step 6: Final answer
    x = 359,541.32

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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.