Home / 258,766.52-357,094.12-145,589

Finding the Fourth Proportional to 258,766.52, 357,094.12 and 145,589

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Solution

The fourth proportional to 258,766.52, 357,094.12 and 145,589 is: 200,910.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,766.52 : 357,094.12 = 145,589 : x
  2. Step 2: Convert to fraction form
    258,766.52/357,094.12 = 145,589/x
  3. Step 3: Cross multiply
    258,766.52x = 357,094.12 × 145,589
  4. Step 4: Simplify right side
    258,766.52x = 51,988,975,836.68
  5. Step 5: Solve for x
    x = 51,988,975,836.68/258,766.52
  6. Step 6: Final answer
    x = 200,910.75

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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.