Home / 258,727.75-357,001.95-149,793.28

Finding the Fourth Proportional to 258,727.75, 357,001.95 and 149,793.28

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Solution

The fourth proportional to 258,727.75, 357,001.95 and 149,793.28 is: 206,690.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,727.75 : 357,001.95 = 149,793.28 : x
  2. Step 2: Convert to fraction form
    258,727.75/357,001.95 = 149,793.28/x
  3. Step 3: Cross multiply
    258,727.75x = 357,001.95 × 149,793.28
  4. Step 4: Simplify right side
    258,727.75x = 53,476,493,056.90
  5. Step 5: Solve for x
    x = 53,476,493,056.90/258,727.75
  6. Step 6: Final answer
    x = 206,690.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.