Home / 400,905.44-553,258.31-228,819.93

Finding the Fourth Proportional to 400,905.44, 553,258.31 and 228,819.93

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Solution

The fourth proportional to 400,905.44, 553,258.31 and 228,819.93 is: 315,776.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,905.44 : 553,258.31 = 228,819.93 : x
  2. Step 2: Convert to fraction form
    400,905.44/553,258.31 = 228,819.93/x
  3. Step 3: Cross multiply
    400,905.44x = 553,258.31 × 228,819.93
  4. Step 4: Simplify right side
    400,905.44x = 126,596,526,622.02
  5. Step 5: Solve for x
    x = 126,596,526,622.02/400,905.44
  6. Step 6: Final answer
    x = 315,776.53

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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.