Home / 198,516.70-297,711.06-65,365.28

Finding the Fourth Proportional to 198,516.70, 297,711.06 and 65,365.28

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Solution

The fourth proportional to 198,516.70, 297,711.06 and 65,365.28 is: 98,026.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,516.70 : 297,711.06 = 65,365.28 : x
  2. Step 2: Convert to fraction form
    198,516.70/297,711.06 = 65,365.28/x
  3. Step 3: Cross multiply
    198,516.70x = 297,711.06 × 65,365.28
  4. Step 4: Simplify right side
    198,516.70x = 19,459,966,796.00
  5. Step 5: Solve for x
    x = 19,459,966,796.00/198,516.70
  6. Step 6: Final answer
    x = 98,026.85

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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.