Home / 231,000.80-346,501.20-218,170.40

Finding the Fourth Proportional to 231,000.80, 346,501.20 and 218,170.40

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Solution

The fourth proportional to 231,000.80, 346,501.20 and 218,170.40 is: 327,255.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,000.80 : 346,501.20 = 218,170.40 : x
  2. Step 2: Convert to fraction form
    231,000.80/346,501.20 = 218,170.40/x
  3. Step 3: Cross multiply
    231,000.80x = 346,501.20 × 218,170.40
  4. Step 4: Simplify right side
    231,000.80x = 75,596,305,404.48
  5. Step 5: Solve for x
    x = 75,596,305,404.48/231,000.80
  6. Step 6: Final answer
    x = 327,255.60

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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.