Home / 400,749.36-601,428.60-148,268.58

Finding the Fourth Proportional to 400,749.36, 601,428.60 and 148,268.58

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Solution

The fourth proportional to 400,749.36, 601,428.60 and 148,268.58 is: 222,515.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,749.36 : 601,428.60 = 148,268.58 : x
  2. Step 2: Convert to fraction form
    400,749.36/601,428.60 = 148,268.58/x
  3. Step 3: Cross multiply
    400,749.36x = 601,428.60 × 148,268.58
  4. Step 4: Simplify right side
    400,749.36x = 89,172,964,493.39
  5. Step 5: Solve for x
    x = 89,172,964,493.39/400,749.36
  6. Step 6: Final answer
    x = 222,515.55

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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.