Home / 400,423.20-552,560.20-219,098.96

Finding the Fourth Proportional to 400,423.20, 552,560.20 and 219,098.96

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Solution

The fourth proportional to 400,423.20, 552,560.20 and 219,098.96 is: 302,343.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,423.20 : 552,560.20 = 219,098.96 : x
  2. Step 2: Convert to fraction form
    400,423.20/552,560.20 = 219,098.96/x
  3. Step 3: Cross multiply
    400,423.20x = 552,560.20 × 219,098.96
  4. Step 4: Simplify right side
    400,423.20x = 121,065,365,157.39
  5. Step 5: Solve for x
    x = 121,065,365,157.39/400,423.20
  6. Step 6: Final answer
    x = 302,343.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.