Home / 354,914.60-531,885.90-228,165.80

Finding the Fourth Proportional to 354,914.60, 531,885.90 and 228,165.80

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Solution

The fourth proportional to 354,914.60, 531,885.90 and 228,165.80 is: 341,936.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,914.60 : 531,885.90 = 228,165.80 : x
  2. Step 2: Convert to fraction form
    354,914.60/531,885.90 = 228,165.80/x
  3. Step 3: Cross multiply
    354,914.60x = 531,885.90 × 228,165.80
  4. Step 4: Simplify right side
    354,914.60x = 121,358,171,882.22
  5. Step 5: Solve for x
    x = 121,358,171,882.22/354,914.60
  6. Step 6: Final answer
    x = 341,936.26

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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.