Home / 211,777.08-317,617.10-126,412.04

Finding the Fourth Proportional to 211,777.08, 317,617.10 and 126,412.04

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Solution

The fourth proportional to 211,777.08, 317,617.10 and 126,412.04 is: 189,589.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,777.08 : 317,617.10 = 126,412.04 : x
  2. Step 2: Convert to fraction form
    211,777.08/317,617.10 = 126,412.04/x
  3. Step 3: Cross multiply
    211,777.08x = 317,617.10 × 126,412.04
  4. Step 4: Simplify right side
    211,777.08x = 40,150,625,549.88
  5. Step 5: Solve for x
    x = 40,150,625,549.88/211,777.08
  6. Step 6: Final answer
    x = 189,589.10

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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.