Home / 219,634.47-329,721.03-144,817.20

Finding the Fourth Proportional to 219,634.47, 329,721.03 and 144,817.20

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Solution

The fourth proportional to 219,634.47, 329,721.03 and 144,817.20 is: 217,403.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,634.47 : 329,721.03 = 144,817.20 : x
  2. Step 2: Convert to fraction form
    219,634.47/329,721.03 = 144,817.20/x
  3. Step 3: Cross multiply
    219,634.47x = 329,721.03 × 144,817.20
  4. Step 4: Simplify right side
    219,634.47x = 47,749,276,345.72
  5. Step 5: Solve for x
    x = 47,749,276,345.72/219,634.47
  6. Step 6: Final answer
    x = 217,403.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.