Home / 399,127.12-598,769.55-146,409.96

Finding the Fourth Proportional to 399,127.12, 598,769.55 and 146,409.96

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Solution

The fourth proportional to 399,127.12, 598,769.55 and 146,409.96 is: 219,643.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,127.12 : 598,769.55 = 146,409.96 : x
  2. Step 2: Convert to fraction form
    399,127.12/598,769.55 = 146,409.96/x
  3. Step 3: Cross multiply
    399,127.12x = 598,769.55 × 146,409.96
  4. Step 4: Simplify right side
    399,127.12x = 87,665,823,619.33
  5. Step 5: Solve for x
    x = 87,665,823,619.33/399,127.12
  6. Step 6: Final answer
    x = 219,643.87

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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.