Home / 211,743.52-317,647.17-61,965

Finding the Fourth Proportional to 211,743.52, 317,647.17 and 61,965

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Solution

The fourth proportional to 211,743.52, 317,647.17 and 61,965 is: 92,956.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,743.52 : 317,647.17 = 61,965 : x
  2. Step 2: Convert to fraction form
    211,743.52/317,647.17 = 61,965/x
  3. Step 3: Cross multiply
    211,743.52x = 317,647.17 × 61,965
  4. Step 4: Simplify right side
    211,743.52x = 19,683,006,889.05
  5. Step 5: Solve for x
    x = 19,683,006,889.05/211,743.52
  6. Step 6: Final answer
    x = 92,956.83

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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.