Home / 211,519.11-317,244.60-61,724.30

Finding the Fourth Proportional to 211,519.11, 317,244.60 and 61,724.30

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Solution

The fourth proportional to 211,519.11, 317,244.60 and 61,724.30 is: 92,576.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,519.11 : 317,244.60 = 61,724.30 : x
  2. Step 2: Convert to fraction form
    211,519.11/317,244.60 = 61,724.30/x
  3. Step 3: Cross multiply
    211,519.11x = 317,244.60 × 61,724.30
  4. Step 4: Simplify right side
    211,519.11x = 19,581,699,277.56
  5. Step 5: Solve for x
    x = 19,581,699,277.56/211,519.11
  6. Step 6: Final answer
    x = 92,576.50

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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.