Home / 449,249.09-619,976.52-245,312.96

Finding the Fourth Proportional to 449,249.09, 619,976.52 and 245,312.96

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Solution

The fourth proportional to 449,249.09, 619,976.52 and 245,312.96 is: 338,538.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,249.09 : 619,976.52 = 245,312.96 : x
  2. Step 2: Convert to fraction form
    449,249.09/619,976.52 = 245,312.96/x
  3. Step 3: Cross multiply
    449,249.09x = 619,976.52 × 245,312.96
  4. Step 4: Simplify right side
    449,249.09x = 152,088,275,251.70
  5. Step 5: Solve for x
    x = 152,088,275,251.70/449,249.09
  6. Step 6: Final answer
    x = 338,538.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.