Home / 211,829.25-317,743.60-54,057.70

Finding the Fourth Proportional to 211,829.25, 317,743.60 and 54,057.70

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Solution

The fourth proportional to 211,829.25, 317,743.60 and 54,057.70 is: 81,086.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,829.25 : 317,743.60 = 54,057.70 : x
  2. Step 2: Convert to fraction form
    211,829.25/317,743.60 = 54,057.70/x
  3. Step 3: Cross multiply
    211,829.25x = 317,743.60 × 54,057.70
  4. Step 4: Simplify right side
    211,829.25x = 17,176,486,346.71
  5. Step 5: Solve for x
    x = 17,176,486,346.71/211,829.25
  6. Step 6: Final answer
    x = 81,086.47

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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.