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Finding the Fourth Proportional to 240,564.44, 331,970.68 and 133,139

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Solution

The fourth proportional to 240,564.44, 331,970.68 and 133,139 is: 183,727.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,564.44 : 331,970.68 = 133,139 : x
  2. Step 2: Convert to fraction form
    240,564.44/331,970.68 = 133,139/x
  3. Step 3: Cross multiply
    240,564.44x = 331,970.68 × 133,139
  4. Step 4: Simplify right side
    240,564.44x = 44,198,244,364.52
  5. Step 5: Solve for x
    x = 44,198,244,364.52/240,564.44
  6. Step 6: Final answer
    x = 183,727.26

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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.