Home / 323,944.20-486,159.30-166,091.40

Finding the Fourth Proportional to 323,944.20, 486,159.30 and 166,091.40

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Solution

The fourth proportional to 323,944.20, 486,159.30 and 166,091.40 is: 249,261.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,944.20 : 486,159.30 = 166,091.40 : x
  2. Step 2: Convert to fraction form
    323,944.20/486,159.30 = 166,091.40/x
  3. Step 3: Cross multiply
    323,944.20x = 486,159.30 × 166,091.40
  4. Step 4: Simplify right side
    323,944.20x = 80,746,878,760.02
  5. Step 5: Solve for x
    x = 80,746,878,760.02/323,944.20
  6. Step 6: Final answer
    x = 249,261.69

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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.