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Finding the Fourth Proportional to 177,453.30, 266,179.95 and 162,938.10

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Solution

The fourth proportional to 177,453.30, 266,179.95 and 162,938.10 is: 244,407.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,453.30 : 266,179.95 = 162,938.10 : x
  2. Step 2: Convert to fraction form
    177,453.30/266,179.95 = 162,938.10/x
  3. Step 3: Cross multiply
    177,453.30x = 266,179.95 × 162,938.10
  4. Step 4: Simplify right side
    177,453.30x = 43,370,855,311.10
  5. Step 5: Solve for x
    x = 43,370,855,311.10/177,453.30
  6. Step 6: Final answer
    x = 244,407.15

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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.