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Finding the Fourth Proportional to 440,103.56, 660,155.31 and 240,314.94

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Solution

The fourth proportional to 440,103.56, 660,155.31 and 240,314.94 is: 360,472.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,103.56 : 660,155.31 = 240,314.94 : x
  2. Step 2: Convert to fraction form
    440,103.56/660,155.31 = 240,314.94/x
  3. Step 3: Cross multiply
    440,103.56x = 660,155.31 × 240,314.94
  4. Step 4: Simplify right side
    440,103.56x = 158,645,183,713.33
  5. Step 5: Solve for x
    x = 158,645,183,713.33/440,103.56
  6. Step 6: Final answer
    x = 360,472.40

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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.