Home / 401,099.20-553,446.72-228,938.56

Finding the Fourth Proportional to 401,099.20, 553,446.72 and 228,938.56

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Solution

The fourth proportional to 401,099.20, 553,446.72 and 228,938.56 is: 315,895.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,099.20 : 553,446.72 = 228,938.56 : x
  2. Step 2: Convert to fraction form
    401,099.20/553,446.72 = 228,938.56/x
  3. Step 3: Cross multiply
    401,099.20x = 553,446.72 × 228,938.56
  4. Step 4: Simplify right side
    401,099.20x = 126,705,295,113.52
  5. Step 5: Solve for x
    x = 126,705,295,113.52/401,099.20
  6. Step 6: Final answer
    x = 315,895.16

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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.