Home / 247,403.88-371,302.56-89,677.44

Finding the Fourth Proportional to 247,403.88, 371,302.56 and 89,677.44

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Solution

The fourth proportional to 247,403.88, 371,302.56 and 89,677.44 is: 134,587.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,403.88 : 371,302.56 = 89,677.44 : x
  2. Step 2: Convert to fraction form
    247,403.88/371,302.56 = 89,677.44/x
  3. Step 3: Cross multiply
    247,403.88x = 371,302.56 × 89,677.44
  4. Step 4: Simplify right side
    247,403.88x = 33,297,463,046.25
  5. Step 5: Solve for x
    x = 33,297,463,046.25/247,403.88
  6. Step 6: Final answer
    x = 134,587.47

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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.