Home / 366,795.18-550,351.14-198,434.10

Finding the Fourth Proportional to 366,795.18, 550,351.14 and 198,434.10

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Solution

The fourth proportional to 366,795.18, 550,351.14 and 198,434.10 is: 297,736.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,795.18 : 550,351.14 = 198,434.10 : x
  2. Step 2: Convert to fraction form
    366,795.18/550,351.14 = 198,434.10/x
  3. Step 3: Cross multiply
    366,795.18x = 550,351.14 × 198,434.10
  4. Step 4: Simplify right side
    366,795.18x = 109,208,433,149.87
  5. Step 5: Solve for x
    x = 109,208,433,149.87/366,795.18
  6. Step 6: Final answer
    x = 297,736.83

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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.