Home / 230,918.80-346,378.20-218,088.40

Finding the Fourth Proportional to 230,918.80, 346,378.20 and 218,088.40

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Solution

The fourth proportional to 230,918.80, 346,378.20 and 218,088.40 is: 327,132.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,918.80 : 346,378.20 = 218,088.40 : x
  2. Step 2: Convert to fraction form
    230,918.80/346,378.20 = 218,088.40/x
  3. Step 3: Cross multiply
    230,918.80x = 346,378.20 × 218,088.40
  4. Step 4: Simplify right side
    230,918.80x = 75,541,067,432.88
  5. Step 5: Solve for x
    x = 75,541,067,432.88/230,918.80
  6. Step 6: Final answer
    x = 327,132.60

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1.5x scale

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.