Home / 400,663.20-552,898.10-219,371.84

Finding the Fourth Proportional to 400,663.20, 552,898.10 and 219,371.84

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Solution

The fourth proportional to 400,663.20, 552,898.10 and 219,371.84 is: 302,723.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,663.20 : 552,898.10 = 219,371.84 : x
  2. Step 2: Convert to fraction form
    400,663.20/552,898.10 = 219,371.84/x
  3. Step 3: Cross multiply
    400,663.20x = 552,898.10 × 219,371.84
  4. Step 4: Simplify right side
    400,663.20x = 121,290,273,529.50
  5. Step 5: Solve for x
    x = 121,290,273,529.50/400,663.20
  6. Step 6: Final answer
    x = 302,723.77

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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.