Home / 400,450.45-552,614.19-219,158.72

Finding the Fourth Proportional to 400,450.45, 552,614.19 and 219,158.72

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Solution

The fourth proportional to 400,450.45, 552,614.19 and 219,158.72 is: 302,434.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,450.45 : 552,614.19 = 219,158.72 : x
  2. Step 2: Convert to fraction form
    400,450.45/552,614.19 = 219,158.72/x
  3. Step 3: Cross multiply
    400,450.45x = 552,614.19 × 219,158.72
  4. Step 4: Simplify right side
    400,450.45x = 121,110,218,534.24
  5. Step 5: Solve for x
    x = 121,110,218,534.24/400,450.45
  6. Step 6: Final answer
    x = 302,434.97

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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.