Home / 412,562.16-618,364.33-156,231.79

Finding the Fourth Proportional to 412,562.16, 618,364.33 and 156,231.79

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Solution

The fourth proportional to 412,562.16, 618,364.33 and 156,231.79 is: 234,166.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,562.16 : 618,364.33 = 156,231.79 : x
  2. Step 2: Convert to fraction form
    412,562.16/618,364.33 = 156,231.79/x
  3. Step 3: Cross multiply
    412,562.16x = 618,364.33 × 156,231.79
  4. Step 4: Simplify right side
    412,562.16x = 96,608,164,211.56
  5. Step 5: Solve for x
    x = 96,608,164,211.56/412,562.16
  6. Step 6: Final answer
    x = 234,166.32

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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.