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Finding the Fourth Proportional to 274,232.70, 410,907.45 and 155,551.10

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Solution

The fourth proportional to 274,232.70, 410,907.45 and 155,551.10 is: 233,076.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,232.70 : 410,907.45 = 155,551.10 : x
  2. Step 2: Convert to fraction form
    274,232.70/410,907.45 = 155,551.10/x
  3. Step 3: Cross multiply
    274,232.70x = 410,907.45 × 155,551.10
  4. Step 4: Simplify right side
    274,232.70x = 63,917,105,845.70
  5. Step 5: Solve for x
    x = 63,917,105,845.70/274,232.70
  6. Step 6: Final answer
    x = 233,076.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.