Home / 518,084.45-776,856.03-163,003.13

Finding the Fourth Proportional to 518,084.45, 776,856.03 and 163,003.13

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Solution

The fourth proportional to 518,084.45, 776,856.03 and 163,003.13 is: 244,419.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,084.45 : 776,856.03 = 163,003.13 : x
  2. Step 2: Convert to fraction form
    518,084.45/776,856.03 = 163,003.13/x
  3. Step 3: Cross multiply
    518,084.45x = 776,856.03 × 163,003.13
  4. Step 4: Simplify right side
    518,084.45x = 126,629,964,449.37
  5. Step 5: Solve for x
    x = 126,629,964,449.37/518,084.45
  6. Step 6: Final answer
    x = 244,419.54

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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.