Home / 217,824.40-326,736.60-143,174.80

Finding the Fourth Proportional to 217,824.40, 326,736.60 and 143,174.80

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Solution

The fourth proportional to 217,824.40, 326,736.60 and 143,174.80 is: 214,762.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,824.40 : 326,736.60 = 143,174.80 : x
  2. Step 2: Convert to fraction form
    217,824.40/326,736.60 = 143,174.80/x
  3. Step 3: Cross multiply
    217,824.40x = 326,736.60 × 143,174.80
  4. Step 4: Simplify right side
    217,824.40x = 46,780,447,357.68
  5. Step 5: Solve for x
    x = 46,780,447,357.68/217,824.40
  6. Step 6: Final answer
    x = 214,762.20

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1.5x scale

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.