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Finding the Fourth Proportional to 440,080.72, 660,176.66 and 124,537.73

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Solution

The fourth proportional to 440,080.72, 660,176.66 and 124,537.73 is: 186,822.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,080.72 : 660,176.66 = 124,537.73 : x
  2. Step 2: Convert to fraction form
    440,080.72/660,176.66 = 124,537.73/x
  3. Step 3: Cross multiply
    440,080.72x = 660,176.66 × 124,537.73
  4. Step 4: Simplify right side
    440,080.72x = 82,216,899,645.84
  5. Step 5: Solve for x
    x = 82,216,899,645.84/440,080.72
  6. Step 6: Final answer
    x = 186,822.32

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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.