Home / 400,520.08-552,717.90-219,232.96

Finding the Fourth Proportional to 400,520.08, 552,717.90 and 219,232.96

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Solution

The fourth proportional to 400,520.08, 552,717.90 and 219,232.96 is: 302,541.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,520.08 : 552,717.90 = 219,232.96 : x
  2. Step 2: Convert to fraction form
    400,520.08/552,717.90 = 219,232.96/x
  3. Step 3: Cross multiply
    400,520.08x = 552,717.90 × 219,232.96
  4. Step 4: Simplify right side
    400,520.08x = 121,173,981,261.98
  5. Step 5: Solve for x
    x = 121,173,981,261.98/400,520.08
  6. Step 6: Final answer
    x = 302,541.59

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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.