Home / 449,073.80-619,721.46-247,869.32

Finding the Fourth Proportional to 449,073.80, 619,721.46 and 247,869.32

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Solution

The fourth proportional to 449,073.80, 619,721.46 and 247,869.32 is: 342,059.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,073.80 : 619,721.46 = 247,869.32 : x
  2. Step 2: Convert to fraction form
    449,073.80/619,721.46 = 247,869.32/x
  3. Step 3: Cross multiply
    449,073.80x = 619,721.46 × 247,869.32
  4. Step 4: Simplify right side
    449,073.80x = 153,609,936,879.61
  5. Step 5: Solve for x
    x = 153,609,936,879.61/449,073.80
  6. Step 6: Final answer
    x = 342,059.45

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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.