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Finding the Fourth Proportional to 440,062.40, 660,028.80 and 124,551.20

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Solution

The fourth proportional to 440,062.40, 660,028.80 and 124,551.20 is: 186,808.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,062.40 : 660,028.80 = 124,551.20 : x
  2. Step 2: Convert to fraction form
    440,062.40/660,028.80 = 124,551.20/x
  3. Step 3: Cross multiply
    440,062.40x = 660,028.80 × 124,551.20
  4. Step 4: Simplify right side
    440,062.40x = 82,207,379,074.56
  5. Step 5: Solve for x
    x = 82,207,379,074.56/440,062.40
  6. Step 6: Final answer
    x = 186,808.46

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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.