Home / 208,972.12-311,256.20-204,598.12

Finding the Fourth Proportional to 208,972.12, 311,256.20 and 204,598.12

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Solution

The fourth proportional to 208,972.12, 311,256.20 and 204,598.12 is: 304,741.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,972.12 : 311,256.20 = 204,598.12 : x
  2. Step 2: Convert to fraction form
    208,972.12/311,256.20 = 204,598.12/x
  3. Step 3: Cross multiply
    208,972.12x = 311,256.20 × 204,598.12
  4. Step 4: Simplify right side
    208,972.12x = 63,682,433,358.34
  5. Step 5: Solve for x
    x = 63,682,433,358.34/208,972.12
  6. Step 6: Final answer
    x = 304,741.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.