Home / 304,942.61-457,436.39-80,301.49

Finding the Fourth Proportional to 304,942.61, 457,436.39 and 80,301.49

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Solution

The fourth proportional to 304,942.61, 457,436.39 and 80,301.49 is: 120,458.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,942.61 : 457,436.39 = 80,301.49 : x
  2. Step 2: Convert to fraction form
    304,942.61/457,436.39 = 80,301.49/x
  3. Step 3: Cross multiply
    304,942.61x = 457,436.39 × 80,301.49
  4. Step 4: Simplify right side
    304,942.61x = 36,732,821,008.53
  5. Step 5: Solve for x
    x = 36,732,821,008.53/304,942.61
  6. Step 6: Final answer
    x = 120,458.14

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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.