Home / 279,775.28-419,786.86-146,623.88

Finding the Fourth Proportional to 279,775.28, 419,786.86 and 146,623.88

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Solution

The fourth proportional to 279,775.28, 419,786.86 and 146,623.88 is: 220,000.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,775.28 : 419,786.86 = 146,623.88 : x
  2. Step 2: Convert to fraction form
    279,775.28/419,786.86 = 146,623.88/x
  3. Step 3: Cross multiply
    279,775.28x = 419,786.86 × 146,623.88
  4. Step 4: Simplify right side
    279,775.28x = 61,550,778,186.22
  5. Step 5: Solve for x
    x = 61,550,778,186.22/279,775.28
  6. Step 6: Final answer
    x = 220,000.77

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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.