Home / 258,360.41-356,494.27-143,635.85

Finding the Fourth Proportional to 258,360.41, 356,494.27 and 143,635.85

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Solution

The fourth proportional to 258,360.41, 356,494.27 and 143,635.85 is: 198,193.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,360.41 : 356,494.27 = 143,635.85 : x
  2. Step 2: Convert to fraction form
    258,360.41/356,494.27 = 143,635.85/x
  3. Step 3: Cross multiply
    258,360.41x = 356,494.27 × 143,635.85
  4. Step 4: Simplify right side
    258,360.41x = 51,205,357,491.58
  5. Step 5: Solve for x
    x = 51,205,357,491.58/258,360.41
  6. Step 6: Final answer
    x = 198,193.51

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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.