Home / 212,496.12-318,744.30-203,271.24

Finding the Fourth Proportional to 212,496.12, 318,744.30 and 203,271.24

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Solution

The fourth proportional to 212,496.12, 318,744.30 and 203,271.24 is: 304,906.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,496.12 : 318,744.30 = 203,271.24 : x
  2. Step 2: Convert to fraction form
    212,496.12/318,744.30 = 203,271.24/x
  3. Step 3: Cross multiply
    212,496.12x = 318,744.30 × 203,271.24
  4. Step 4: Simplify right side
    212,496.12x = 64,791,549,103.93
  5. Step 5: Solve for x
    x = 64,791,549,103.93/212,496.12
  6. Step 6: Final answer
    x = 304,906.97

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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.