Home / 258,758.28-357,086.34-144,034.43

Finding the Fourth Proportional to 258,758.28, 357,086.34 and 144,034.43

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Solution

The fourth proportional to 258,758.28, 357,086.34 and 144,034.43 is: 198,767.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,758.28 : 357,086.34 = 144,034.43 : x
  2. Step 2: Convert to fraction form
    258,758.28/357,086.34 = 144,034.43/x
  3. Step 3: Cross multiply
    258,758.28x = 357,086.34 × 144,034.43
  4. Step 4: Simplify right side
    258,758.28x = 51,432,727,442.69
  5. Step 5: Solve for x
    x = 51,432,727,442.69/258,758.28
  6. Step 6: Final answer
    x = 198,767.47

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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.