Home / 216,775.90-324,743.04-159,746.29

Finding the Fourth Proportional to 216,775.90, 324,743.04 and 159,746.29

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Solution

The fourth proportional to 216,775.90, 324,743.04 and 159,746.29 is: 239,309.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,775.90 : 324,743.04 = 159,746.29 : x
  2. Step 2: Convert to fraction form
    216,775.90/324,743.04 = 159,746.29/x
  3. Step 3: Cross multiply
    216,775.90x = 324,743.04 × 159,746.29
  4. Step 4: Simplify right side
    216,775.90x = 51,876,495,031.46
  5. Step 5: Solve for x
    x = 51,876,495,031.46/216,775.90
  6. Step 6: Final answer
    x = 239,309.33

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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.