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Finding the Fourth Proportional to 440,200.20, 660,300.30 and 159,616.20

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Solution

The fourth proportional to 440,200.20, 660,300.30 and 159,616.20 is: 239,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,200.20 : 660,300.30 = 159,616.20 : x
  2. Step 2: Convert to fraction form
    440,200.20/660,300.30 = 159,616.20/x
  3. Step 3: Cross multiply
    440,200.20x = 660,300.30 × 159,616.20
  4. Step 4: Simplify right side
    440,200.20x = 105,394,624,744.86
  5. Step 5: Solve for x
    x = 105,394,624,744.86/440,200.20
  6. Step 6: Final answer
    x = 239,424.30

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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.