Home / 201,731.40-302,597.10-198,232.20

Finding the Fourth Proportional to 201,731.40, 302,597.10 and 198,232.20

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Solution

The fourth proportional to 201,731.40, 302,597.10 and 198,232.20 is: 297,348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,731.40 : 302,597.10 = 198,232.20 : x
  2. Step 2: Convert to fraction form
    201,731.40/302,597.10 = 198,232.20/x
  3. Step 3: Cross multiply
    201,731.40x = 302,597.10 × 198,232.20
  4. Step 4: Simplify right side
    201,731.40x = 59,984,488,846.62
  5. Step 5: Solve for x
    x = 59,984,488,846.62/201,731.40
  6. Step 6: Final answer
    x = 297,348.30

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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.