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Finding the Fourth Proportional to 244,010, 336,733.72 and 136,580

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Solution

The fourth proportional to 244,010, 336,733.72 and 136,580 is: 188,480.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,010 : 336,733.72 = 136,580 : x
  2. Step 2: Convert to fraction form
    244,010/336,733.72 = 136,580/x
  3. Step 3: Cross multiply
    244,010x = 336,733.72 × 136,580
  4. Step 4: Simplify right side
    244,010x = 45,991,091,477.60
  5. Step 5: Solve for x
    x = 45,991,091,477.60/244,010
  6. Step 6: Final answer
    x = 188,480.36

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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.