Home / 258,587.02-356,854.44-143,874.82

Finding the Fourth Proportional to 258,587.02, 356,854.44 and 143,874.82

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Solution

The fourth proportional to 258,587.02, 356,854.44 and 143,874.82 is: 198,549.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,587.02 : 356,854.44 = 143,874.82 : x
  2. Step 2: Convert to fraction form
    258,587.02/356,854.44 = 143,874.82/x
  3. Step 3: Cross multiply
    258,587.02x = 356,854.44 × 143,874.82
  4. Step 4: Simplify right side
    258,587.02x = 51,342,368,321.20
  5. Step 5: Solve for x
    x = 51,342,368,321.20/258,587.02
  6. Step 6: Final answer
    x = 198,549.67

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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.