Home / 275,234.24-379,827.60-154,402.40

Finding the Fourth Proportional to 275,234.24, 379,827.60 and 154,402.40

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Solution

The fourth proportional to 275,234.24, 379,827.60 and 154,402.40 is: 213,077.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,234.24 : 379,827.60 = 154,402.40 : x
  2. Step 2: Convert to fraction form
    275,234.24/379,827.60 = 154,402.40/x
  3. Step 3: Cross multiply
    275,234.24x = 379,827.60 × 154,402.40
  4. Step 4: Simplify right side
    275,234.24x = 58,646,293,026.24
  5. Step 5: Solve for x
    x = 58,646,293,026.24/275,234.24
  6. Step 6: Final answer
    x = 213,077.75

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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.