Home / 218,284.34-301,229.25-121,487.54

Finding the Fourth Proportional to 218,284.34, 301,229.25 and 121,487.54

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Solution

The fourth proportional to 218,284.34, 301,229.25 and 121,487.54 is: 167,651.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,284.34 : 301,229.25 = 121,487.54 : x
  2. Step 2: Convert to fraction form
    218,284.34/301,229.25 = 121,487.54/x
  3. Step 3: Cross multiply
    218,284.34x = 301,229.25 × 121,487.54
  4. Step 4: Simplify right side
    218,284.34x = 36,595,600,558.55
  5. Step 5: Solve for x
    x = 36,595,600,558.55/218,284.34
  6. Step 6: Final answer
    x = 167,651.06

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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.