Home / 217,437.26-300,062.61-121,944.33

Finding the Fourth Proportional to 217,437.26, 300,062.61 and 121,944.33

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Solution

The fourth proportional to 217,437.26, 300,062.61 and 121,944.33 is: 168,282.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,437.26 : 300,062.61 = 121,944.33 : x
  2. Step 2: Convert to fraction form
    217,437.26/300,062.61 = 121,944.33/x
  3. Step 3: Cross multiply
    217,437.26x = 300,062.61 × 121,944.33
  4. Step 4: Simplify right side
    217,437.26x = 36,590,933,934.50
  5. Step 5: Solve for x
    x = 36,590,933,934.50/217,437.26
  6. Step 6: Final answer
    x = 168,282.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.