Home / 412,523.50-618,785.78-113,006.70

Finding the Fourth Proportional to 412,523.50, 618,785.78 and 113,006.70

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Solution

The fourth proportional to 412,523.50, 618,785.78 and 113,006.70 is: 169,510.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,523.50 : 618,785.78 = 113,006.70 : x
  2. Step 2: Convert to fraction form
    412,523.50/618,785.78 = 113,006.70/x
  3. Step 3: Cross multiply
    412,523.50x = 618,785.78 × 113,006.70
  4. Step 4: Simplify right side
    412,523.50x = 69,926,939,004.73
  5. Step 5: Solve for x
    x = 69,926,939,004.73/412,523.50
  6. Step 6: Final answer
    x = 169,510.20

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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.