Home / 258,402.15-356,595.97-143,691.27

Finding the Fourth Proportional to 258,402.15, 356,595.97 and 143,691.27

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Solution

The fourth proportional to 258,402.15, 356,595.97 and 143,691.27 is: 198,294.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,402.15 : 356,595.97 = 143,691.27 : x
  2. Step 2: Convert to fraction form
    258,402.15/356,595.97 = 143,691.27/x
  3. Step 3: Cross multiply
    258,402.15x = 356,595.97 × 143,691.27
  4. Step 4: Simplify right side
    258,402.15x = 51,239,726,379.14
  5. Step 5: Solve for x
    x = 51,239,726,379.14/258,402.15
  6. Step 6: Final answer
    x = 198,294.50

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1.5x scale

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.