Home / 558,825.56-838,258.70-199,022.87

Finding the Fourth Proportional to 558,825.56, 838,258.70 and 199,022.87

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Solution

The fourth proportional to 558,825.56, 838,258.70 and 199,022.87 is: 298,541.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,825.56 : 838,258.70 = 199,022.87 : x
  2. Step 2: Convert to fraction form
    558,825.56/838,258.70 = 199,022.87/x
  3. Step 3: Cross multiply
    558,825.56x = 838,258.70 × 199,022.87
  4. Step 4: Simplify right side
    558,825.56x = 166,832,654,869.67
  5. Step 5: Solve for x
    x = 166,832,654,869.67/558,825.56
  6. Step 6: Final answer
    x = 298,541.56

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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.