Home / 217,889.31-326,852.82-60,117.78

Finding the Fourth Proportional to 217,889.31, 326,852.82 and 60,117.78

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Solution

The fourth proportional to 217,889.31, 326,852.82 and 60,117.78 is: 90,181.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,889.31 : 326,852.82 = 60,117.78 : x
  2. Step 2: Convert to fraction form
    217,889.31/326,852.82 = 60,117.78/x
  3. Step 3: Cross multiply
    217,889.31x = 326,852.82 × 60,117.78
  4. Step 4: Simplify right side
    217,889.31x = 19,649,665,925.14
  5. Step 5: Solve for x
    x = 19,649,665,925.14/217,889.31
  6. Step 6: Final answer
    x = 90,181.87

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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.