Home / 412,528.27-618,792.89-113,011.42

Finding the Fourth Proportional to 412,528.27, 618,792.89 and 113,011.42

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Solution

The fourth proportional to 412,528.27, 618,792.89 and 113,011.42 is: 169,517.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,528.27 : 618,792.89 = 113,011.42 : x
  2. Step 2: Convert to fraction form
    412,528.27/618,792.89 = 113,011.42/x
  3. Step 3: Cross multiply
    412,528.27x = 618,792.89 × 113,011.42
  4. Step 4: Simplify right side
    412,528.27x = 69,930,663,184.80
  5. Step 5: Solve for x
    x = 69,930,663,184.80/412,528.27
  6. Step 6: Final answer
    x = 169,517.26

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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.