Home / 247,938.80-371,908.20-173,289.20

Finding the Fourth Proportional to 247,938.80, 371,908.20 and 173,289.20

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Solution

The fourth proportional to 247,938.80, 371,908.20 and 173,289.20 is: 259,933.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,938.80 : 371,908.20 = 173,289.20 : x
  2. Step 2: Convert to fraction form
    247,938.80/371,908.20 = 173,289.20/x
  3. Step 3: Cross multiply
    247,938.80x = 371,908.20 × 173,289.20
  4. Step 4: Simplify right side
    247,938.80x = 64,447,674,451.44
  5. Step 5: Solve for x
    x = 64,447,674,451.44/247,938.80
  6. Step 6: Final answer
    x = 259,933.80

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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.