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Finding the Fourth Proportional to 440,505.62, 660,571.58 and 156,267.71

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Solution

The fourth proportional to 440,505.62, 660,571.58 and 156,267.71 is: 234,335.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,505.62 : 660,571.58 = 156,267.71 : x
  2. Step 2: Convert to fraction form
    440,505.62/660,571.58 = 156,267.71/x
  3. Step 3: Cross multiply
    440,505.62x = 660,571.58 × 156,267.71
  4. Step 4: Simplify right side
    440,505.62x = 103,226,004,013.49
  5. Step 5: Solve for x
    x = 103,226,004,013.49/440,505.62
  6. Step 6: Final answer
    x = 234,335.27

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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.