Home / 264,860.20-397,290.30-212,372.20

Finding the Fourth Proportional to 264,860.20, 397,290.30 and 212,372.20

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Solution

The fourth proportional to 264,860.20, 397,290.30 and 212,372.20 is: 318,558.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,860.20 : 397,290.30 = 212,372.20 : x
  2. Step 2: Convert to fraction form
    264,860.20/397,290.30 = 212,372.20/x
  3. Step 3: Cross multiply
    264,860.20x = 397,290.30 × 212,372.20
  4. Step 4: Simplify right side
    264,860.20x = 84,373,415,049.66
  5. Step 5: Solve for x
    x = 84,373,415,049.66/264,860.20
  6. Step 6: Final answer
    x = 318,558.30

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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.