Home / 422,173.60-582,595.40-228,580.36

Finding the Fourth Proportional to 422,173.60, 582,595.40 and 228,580.36

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Solution

The fourth proportional to 422,173.60, 582,595.40 and 228,580.36 is: 315,438.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,173.60 : 582,595.40 = 228,580.36 : x
  2. Step 2: Convert to fraction form
    422,173.60/582,595.40 = 228,580.36/x
  3. Step 3: Cross multiply
    422,173.60x = 582,595.40 × 228,580.36
  4. Step 4: Simplify right side
    422,173.60x = 133,169,866,266.34
  5. Step 5: Solve for x
    x = 133,169,866,266.34/422,173.60
  6. Step 6: Final answer
    x = 315,438.64

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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.