Home / 212,793.40-318,013.97-200,502.28

Finding the Fourth Proportional to 212,793.40, 318,013.97 and 200,502.28

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Solution

The fourth proportional to 212,793.40, 318,013.97 and 200,502.28 is: 299,645.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,793.40 : 318,013.97 = 200,502.28 : x
  2. Step 2: Convert to fraction form
    212,793.40/318,013.97 = 200,502.28/x
  3. Step 3: Cross multiply
    212,793.40x = 318,013.97 × 200,502.28
  4. Step 4: Simplify right side
    212,793.40x = 63,762,526,056.85
  5. Step 5: Solve for x
    x = 63,762,526,056.85/212,793.40
  6. Step 6: Final answer
    x = 299,645.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.