Home / 211,941.42-317,911.32-54,169.62

Finding the Fourth Proportional to 211,941.42, 317,911.32 and 54,169.62

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Solution

The fourth proportional to 211,941.42, 317,911.32 and 54,169.62 is: 81,254.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,941.42 : 317,911.32 = 54,169.62 : x
  2. Step 2: Convert to fraction form
    211,941.42/317,911.32 = 54,169.62/x
  3. Step 3: Cross multiply
    211,941.42x = 317,911.32 × 54,169.62
  4. Step 4: Simplify right side
    211,941.42x = 17,221,135,398.10
  5. Step 5: Solve for x
    x = 17,221,135,398.10/211,941.42
  6. Step 6: Final answer
    x = 81,254.22

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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.