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Finding the Fourth Proportional to 298,553.28, 412,008.71 and 169,488.42

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Solution

The fourth proportional to 298,553.28, 412,008.71 and 169,488.42 is: 233,896.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,553.28 : 412,008.71 = 169,488.42 : x
  2. Step 2: Convert to fraction form
    298,553.28/412,008.71 = 169,488.42/x
  3. Step 3: Cross multiply
    298,553.28x = 412,008.71 × 169,488.42
  4. Step 4: Simplify right side
    298,553.28x = 69,830,704,436.70
  5. Step 5: Solve for x
    x = 69,830,704,436.70/298,553.28
  6. Step 6: Final answer
    x = 233,896.96

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1.5x scale

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.