Home / 304,942.67-457,436.49-80,301.56

Finding the Fourth Proportional to 304,942.67, 457,436.49 and 80,301.56

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Solution

The fourth proportional to 304,942.67, 457,436.49 and 80,301.56 is: 120,458.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,942.67 : 457,436.49 = 80,301.56 : x
  2. Step 2: Convert to fraction form
    304,942.67/457,436.49 = 80,301.56/x
  3. Step 3: Cross multiply
    304,942.67x = 457,436.49 × 80,301.56
  4. Step 4: Simplify right side
    304,942.67x = 36,732,861,159.61
  5. Step 5: Solve for x
    x = 36,732,861,159.61/304,942.67
  6. Step 6: Final answer
    x = 120,458.25

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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.