Home / 211,395.25-317,098.65-61,631.92

Finding the Fourth Proportional to 211,395.25, 317,098.65 and 61,631.92

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Solution

The fourth proportional to 211,395.25, 317,098.65 and 61,631.92 is: 92,449.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,395.25 : 317,098.65 = 61,631.92 : x
  2. Step 2: Convert to fraction form
    211,395.25/317,098.65 = 61,631.92/x
  3. Step 3: Cross multiply
    211,395.25x = 317,098.65 × 61,631.92
  4. Step 4: Simplify right side
    211,395.25x = 19,543,398,397.79
  5. Step 5: Solve for x
    x = 19,543,398,397.79/211,395.25
  6. Step 6: Final answer
    x = 92,449.56

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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.