Home / 258,494.28-356,718.60-143,771.82

Finding the Fourth Proportional to 258,494.28, 356,718.60 and 143,771.82

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Solution

The fourth proportional to 258,494.28, 356,718.60 and 143,771.82 is: 198,403.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,494.28 : 356,718.60 = 143,771.82 : x
  2. Step 2: Convert to fraction form
    258,494.28/356,718.60 = 143,771.82/x
  3. Step 3: Cross multiply
    258,494.28x = 356,718.60 × 143,771.82
  4. Step 4: Simplify right side
    258,494.28x = 51,286,082,349.85
  5. Step 5: Solve for x
    x = 51,286,082,349.85/258,494.28
  6. Step 6: Final answer
    x = 198,403.16

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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.