Home / 400,310.00-552,423.14-219,019.85

Finding the Fourth Proportional to 400,310.00, 552,423.14 and 219,019.85

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Solution

The fourth proportional to 400,310.00, 552,423.14 and 219,019.85 is: 302,244.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,310.00 : 552,423.14 = 219,019.85 : x
  2. Step 2: Convert to fraction form
    400,310.00/552,423.14 = 219,019.85/x
  3. Step 3: Cross multiply
    400,310.00x = 552,423.14 × 219,019.85
  4. Step 4: Simplify right side
    400,310.00x = 120,991,632,295.03
  5. Step 5: Solve for x
    x = 120,991,632,295.03/400,310.00
  6. Step 6: Final answer
    x = 302,244.84

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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.