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Finding the Fourth Proportional to 440,480.80, 660,202.80 and 230,010.40

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Solution

The fourth proportional to 440,480.80, 660,202.80 and 230,010.40 is: 344,744.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,480.80 : 660,202.80 = 230,010.40 : x
  2. Step 2: Convert to fraction form
    440,480.80/660,202.80 = 230,010.40/x
  3. Step 3: Cross multiply
    440,480.80x = 660,202.80 × 230,010.40
  4. Step 4: Simplify right side
    440,480.80x = 151,853,510,109.12
  5. Step 5: Solve for x
    x = 151,853,510,109.12/440,480.80
  6. Step 6: Final answer
    x = 344,744.90

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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.