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Finding the Fourth Proportional to 504,030.80, 756,046.20 and 149,013.20

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Solution

The fourth proportional to 504,030.80, 756,046.20 and 149,013.20 is: 223,519.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,030.80 : 756,046.20 = 149,013.20 : x
  2. Step 2: Convert to fraction form
    504,030.80/756,046.20 = 149,013.20/x
  3. Step 3: Cross multiply
    504,030.80x = 756,046.20 × 149,013.20
  4. Step 4: Simplify right side
    504,030.80x = 112,660,863,609.84
  5. Step 5: Solve for x
    x = 112,660,863,609.84/504,030.80
  6. Step 6: Final answer
    x = 223,519.80

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Similar ratio
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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.