Home / 279,812.03-419,841.98-146,660.63

Finding the Fourth Proportional to 279,812.03, 419,841.98 and 146,660.63

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Solution

The fourth proportional to 279,812.03, 419,841.98 and 146,660.63 is: 220,055.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,812.03 : 419,841.98 = 146,660.63 : x
  2. Step 2: Convert to fraction form
    279,812.03/419,841.98 = 146,660.63/x
  3. Step 3: Cross multiply
    279,812.03x = 419,841.98 × 146,660.63
  4. Step 4: Simplify right side
    279,812.03x = 61,574,288,553.94
  5. Step 5: Solve for x
    x = 61,574,288,553.94/279,812.03
  6. Step 6: Final answer
    x = 220,055.90

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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.