Home / 247,400.76-371,297.94-89,674.20

Finding the Fourth Proportional to 247,400.76, 371,297.94 and 89,674.20

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Solution

The fourth proportional to 247,400.76, 371,297.94 and 89,674.20 is: 134,582.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,400.76 : 371,297.94 = 89,674.20 : x
  2. Step 2: Convert to fraction form
    247,400.76/371,297.94 = 89,674.20/x
  3. Step 3: Cross multiply
    247,400.76x = 371,297.94 × 89,674.20
  4. Step 4: Simplify right side
    247,400.76x = 33,295,845,731.15
  5. Step 5: Solve for x
    x = 33,295,845,731.15/247,400.76
  6. Step 6: Final answer
    x = 134,582.63

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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.