Home / 247,605.32-371,403.75-79,124.42

Finding the Fourth Proportional to 247,605.32, 371,403.75 and 79,124.42

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Solution

The fourth proportional to 247,605.32, 371,403.75 and 79,124.42 is: 118,685.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,605.32 : 371,403.75 = 79,124.42 : x
  2. Step 2: Convert to fraction form
    247,605.32/371,403.75 = 79,124.42/x
  3. Step 3: Cross multiply
    247,605.32x = 371,403.75 × 79,124.42
  4. Step 4: Simplify right side
    247,605.32x = 29,387,106,304.58
  5. Step 5: Solve for x
    x = 29,387,106,304.58/247,605.32
  6. Step 6: Final answer
    x = 118,685.28

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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.