Home / 400,660.17-552,889.85-219,337.35

Finding the Fourth Proportional to 400,660.17, 552,889.85 and 219,337.35

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Solution

The fourth proportional to 400,660.17, 552,889.85 and 219,337.35 is: 302,673.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,660.17 : 552,889.85 = 219,337.35 : x
  2. Step 2: Convert to fraction form
    400,660.17/552,889.85 = 219,337.35/x
  3. Step 3: Cross multiply
    400,660.17x = 552,889.85 × 219,337.35
  4. Step 4: Simplify right side
    400,660.17x = 121,269,393,444.21
  5. Step 5: Solve for x
    x = 121,269,393,444.21/400,660.17
  6. Step 6: Final answer
    x = 302,673.94

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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.