Home / 331,663.21-457,707.91-180,760.21

Finding the Fourth Proportional to 331,663.21, 457,707.91 and 180,760.21

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Solution

The fourth proportional to 331,663.21, 457,707.91 and 180,760.21 is: 249,456.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,663.21 : 457,707.91 = 180,760.21 : x
  2. Step 2: Convert to fraction form
    331,663.21/457,707.91 = 180,760.21/x
  3. Step 3: Cross multiply
    331,663.21x = 457,707.91 × 180,760.21
  4. Step 4: Simplify right side
    331,663.21x = 82,735,377,930.26
  5. Step 5: Solve for x
    x = 82,735,377,930.26/331,663.21
  6. Step 6: Final answer
    x = 249,456.00

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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.