Home / 279,767.27-419,774.94-146,615.87

Finding the Fourth Proportional to 279,767.27, 419,774.94 and 146,615.87

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Solution

The fourth proportional to 279,767.27, 419,774.94 and 146,615.87 is: 219,988.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,767.27 : 419,774.94 = 146,615.87 : x
  2. Step 2: Convert to fraction form
    279,767.27/419,774.94 = 146,615.87/x
  3. Step 3: Cross multiply
    279,767.27x = 419,774.94 × 146,615.87
  4. Step 4: Simplify right side
    279,767.27x = 61,545,665,933.42
  5. Step 5: Solve for x
    x = 61,545,665,933.42/279,767.27
  6. Step 6: Final answer
    x = 219,988.80

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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.