Home / 247,985.20-371,977.80-173,335.60

Finding the Fourth Proportional to 247,985.20, 371,977.80 and 173,335.60

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Solution

The fourth proportional to 247,985.20, 371,977.80 and 173,335.60 is: 260,003.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,985.20 : 371,977.80 = 173,335.60 : x
  2. Step 2: Convert to fraction form
    247,985.20/371,977.80 = 173,335.60/x
  3. Step 3: Cross multiply
    247,985.20x = 371,977.80 × 173,335.60
  4. Step 4: Simplify right side
    247,985.20x = 64,476,995,149.68
  5. Step 5: Solve for x
    x = 64,476,995,149.68/247,985.20
  6. Step 6: Final answer
    x = 260,003.40

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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.