Home / 211,844.40-318,920.82-182,917.68

Finding the Fourth Proportional to 211,844.40, 318,920.82 and 182,917.68

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Solution

The fourth proportional to 211,844.40, 318,920.82 and 182,917.68 is: 275,373.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,844.40 : 318,920.82 = 182,917.68 : x
  2. Step 2: Convert to fraction form
    211,844.40/318,920.82 = 182,917.68/x
  3. Step 3: Cross multiply
    211,844.40x = 318,920.82 × 182,917.68
  4. Step 4: Simplify right side
    211,844.40x = 58,336,256,498.10
  5. Step 5: Solve for x
    x = 58,336,256,498.10/211,844.40
  6. Step 6: Final answer
    x = 275,373.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.