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Finding the Fourth Proportional to 244,418.88, 337,263.84 and 136,980.48

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Solution

The fourth proportional to 244,418.88, 337,263.84 and 136,980.48 is: 189,013.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,418.88 : 337,263.84 = 136,980.48 : x
  2. Step 2: Convert to fraction form
    244,418.88/337,263.84 = 136,980.48/x
  3. Step 3: Cross multiply
    244,418.88x = 337,263.84 × 136,980.48
  4. Step 4: Simplify right side
    244,418.88x = 46,198,562,689.84
  5. Step 5: Solve for x
    x = 46,198,562,689.84/244,418.88
  6. Step 6: Final answer
    x = 189,013.89

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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.