Home / 201,748.20-302,622.30-198,292.20

Finding the Fourth Proportional to 201,748.20, 302,622.30 and 198,292.20

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Solution

The fourth proportional to 201,748.20, 302,622.30 and 198,292.20 is: 297,438.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,748.20 : 302,622.30 = 198,292.20 : x
  2. Step 2: Convert to fraction form
    201,748.20/302,622.30 = 198,292.20/x
  3. Step 3: Cross multiply
    201,748.20x = 302,622.30 × 198,292.20
  4. Step 4: Simplify right side
    201,748.20x = 60,007,641,636.06
  5. Step 5: Solve for x
    x = 60,007,641,636.06/201,748.20
  6. Step 6: Final answer
    x = 297,438.30

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1.5x scale

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.