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Finding the Fourth Proportional to 244,009, 336,732.34 and 136,579

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Solution

The fourth proportional to 244,009, 336,732.34 and 136,579 is: 188,478.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,009 : 336,732.34 = 136,579 : x
  2. Step 2: Convert to fraction form
    244,009/336,732.34 = 136,579/x
  3. Step 3: Cross multiply
    244,009x = 336,732.34 × 136,579
  4. Step 4: Simplify right side
    244,009x = 45,990,566,264.86
  5. Step 5: Solve for x
    x = 45,990,566,264.86/244,009
  6. Step 6: Final answer
    x = 188,478.98

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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.