Home / 198,988.56-298,411.16-65,844.24

Finding the Fourth Proportional to 198,988.56, 298,411.16 and 65,844.24

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Solution

The fourth proportional to 198,988.56, 298,411.16 and 65,844.24 is: 98,742.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,988.56 : 298,411.16 = 65,844.24 : x
  2. Step 2: Convert to fraction form
    198,988.56/298,411.16 = 65,844.24/x
  3. Step 3: Cross multiply
    198,988.56x = 298,411.16 × 65,844.24
  4. Step 4: Simplify right side
    198,988.56x = 19,648,656,037.72
  5. Step 5: Solve for x
    x = 19,648,656,037.72/198,988.56
  6. Step 6: Final answer
    x = 98,742.64

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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.