Home / 251,849.33-347,554.38-138,676.13

Finding the Fourth Proportional to 251,849.33, 347,554.38 and 138,676.13

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Solution

The fourth proportional to 251,849.33, 347,554.38 and 138,676.13 is: 191,374.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,849.33 : 347,554.38 = 138,676.13 : x
  2. Step 2: Convert to fraction form
    251,849.33/347,554.38 = 138,676.13/x
  3. Step 3: Cross multiply
    251,849.33x = 347,554.38 × 138,676.13
  4. Step 4: Simplify right side
    251,849.33x = 48,197,496,382.95
  5. Step 5: Solve for x
    x = 48,197,496,382.95/251,849.33
  6. Step 6: Final answer
    x = 191,374.33

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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.