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Finding the Fourth Proportional to 201,219.80, 301,829.70 and 198,267.35

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Solution

The fourth proportional to 201,219.80, 301,829.70 and 198,267.35 is: 297,401.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,219.80 : 301,829.70 = 198,267.35 : x
  2. Step 2: Convert to fraction form
    201,219.80/301,829.70 = 198,267.35/x
  3. Step 3: Cross multiply
    201,219.80x = 301,829.70 × 198,267.35
  4. Step 4: Simplify right side
    201,219.80x = 59,842,974,770.30
  5. Step 5: Solve for x
    x = 59,842,974,770.30/201,219.80
  6. Step 6: Final answer
    x = 297,401.03

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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.