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Finding the Fourth Proportional to 198,000.90, 277,901.10 and 198,000.90

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Solution

The fourth proportional to 198,000.90, 277,901.10 and 198,000.90 is: 277,901.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,000.90 : 277,901.10 = 198,000.90 : x
  2. Step 2: Convert to fraction form
    198,000.90/277,901.10 = 198,000.90/x
  3. Step 3: Cross multiply
    198,000.90x = 277,901.10 × 198,000.90
  4. Step 4: Simplify right side
    198,000.90x = 55,024,667,910.99
  5. Step 5: Solve for x
    x = 55,024,667,910.99/198,000.90
  6. Step 6: Final answer
    x = 277,901.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.