Home / 266,204.34-398,093.67-198,783.72

Finding the Fourth Proportional to 266,204.34, 398,093.67 and 198,783.72

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Solution

The fourth proportional to 266,204.34, 398,093.67 and 198,783.72 is: 297,269.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,204.34 : 398,093.67 = 198,783.72 : x
  2. Step 2: Convert to fraction form
    266,204.34/398,093.67 = 198,783.72/x
  3. Step 3: Cross multiply
    266,204.34x = 398,093.67 × 198,783.72
  4. Step 4: Simplify right side
    266,204.34x = 79,134,540,631.05
  5. Step 5: Solve for x
    x = 79,134,540,631.05/266,204.34
  6. Step 6: Final answer
    x = 297,269.91

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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.