Home / 216,943.52-299,073.92-159,481.44

Finding the Fourth Proportional to 216,943.52, 299,073.92 and 159,481.44

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Solution

The fourth proportional to 216,943.52, 299,073.92 and 159,481.44 is: 219,857.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,943.52 : 299,073.92 = 159,481.44 : x
  2. Step 2: Convert to fraction form
    216,943.52/299,073.92 = 159,481.44/x
  3. Step 3: Cross multiply
    216,943.52x = 299,073.92 × 159,481.44
  4. Step 4: Simplify right side
    216,943.52x = 47,696,738,630.64
  5. Step 5: Solve for x
    x = 47,696,738,630.64/216,943.52
  6. Step 6: Final answer
    x = 219,857.87

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1.5x scale

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.