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Finding the Fourth Proportional to 244,045.56, 336,744.09 and 136,620.12

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Solution

The fourth proportional to 244,045.56, 336,744.09 and 136,620.12 is: 188,514.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,045.56 : 336,744.09 = 136,620.12 : x
  2. Step 2: Convert to fraction form
    244,045.56/336,744.09 = 136,620.12/x
  3. Step 3: Cross multiply
    244,045.56x = 336,744.09 × 136,620.12
  4. Step 4: Simplify right side
    244,045.56x = 46,006,017,985.09
  5. Step 5: Solve for x
    x = 46,006,017,985.09/244,045.56
  6. Step 6: Final answer
    x = 188,514.05

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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.