Home / 283,217.82-390,877.92-170,047.86

Finding the Fourth Proportional to 283,217.82, 390,877.92 and 170,047.86

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Solution

The fourth proportional to 283,217.82, 390,877.92 and 170,047.86 is: 234,688.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,217.82 : 390,877.92 = 170,047.86 : x
  2. Step 2: Convert to fraction form
    283,217.82/390,877.92 = 170,047.86/x
  3. Step 3: Cross multiply
    283,217.82x = 390,877.92 × 170,047.86
  4. Step 4: Simplify right side
    283,217.82x = 66,467,954,369.33
  5. Step 5: Solve for x
    x = 66,467,954,369.33/283,217.82
  6. Step 6: Final answer
    x = 234,688.46

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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.