Home / 259,038.75-388,613.70-146,772.75

Finding the Fourth Proportional to 259,038.75, 388,613.70 and 146,772.75

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Solution

The fourth proportional to 259,038.75, 388,613.70 and 146,772.75 is: 220,190.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,038.75 : 388,613.70 = 146,772.75 : x
  2. Step 2: Convert to fraction form
    259,038.75/388,613.70 = 146,772.75/x
  3. Step 3: Cross multiply
    259,038.75x = 388,613.70 × 146,772.75
  4. Step 4: Simplify right side
    259,038.75x = 57,037,901,436.68
  5. Step 5: Solve for x
    x = 57,037,901,436.68/259,038.75
  6. Step 6: Final answer
    x = 220,190.61

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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.