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Finding the Fourth Proportional to 178,614.52, 268,991.00 and 162,671.29

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Solution

The fourth proportional to 178,614.52, 268,991.00 and 162,671.29 is: 244,980.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,614.52 : 268,991.00 = 162,671.29 : x
  2. Step 2: Convert to fraction form
    178,614.52/268,991.00 = 162,671.29/x
  3. Step 3: Cross multiply
    178,614.52x = 268,991.00 × 162,671.29
  4. Step 4: Simplify right side
    178,614.52x = 43,757,111,482.56
  5. Step 5: Solve for x
    x = 43,757,111,482.56/178,614.52
  6. Step 6: Final answer
    x = 244,980.71

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.