Home / 465,191.16-642,063.78-283,864.20

Finding the Fourth Proportional to 465,191.16, 642,063.78 and 283,864.20

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Solution

The fourth proportional to 465,191.16, 642,063.78 and 283,864.20 is: 391,793.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,191.16 : 642,063.78 = 283,864.20 : x
  2. Step 2: Convert to fraction form
    465,191.16/642,063.78 = 283,864.20/x
  3. Step 3: Cross multiply
    465,191.16x = 642,063.78 × 283,864.20
  4. Step 4: Simplify right side
    465,191.16x = 182,258,921,258.68
  5. Step 5: Solve for x
    x = 182,258,921,258.68/465,191.16
  6. Step 6: Final answer
    x = 391,793.60

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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.