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Finding the Fourth Proportional to 401,353.30, 601,605.72 and 148,471.39

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Solution

The fourth proportional to 401,353.30, 601,605.72 and 148,471.39 is: 222,550.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,353.30 : 601,605.72 = 148,471.39 : x
  2. Step 2: Convert to fraction form
    401,353.30/601,605.72 = 148,471.39/x
  3. Step 3: Cross multiply
    401,353.30x = 601,605.72 × 148,471.39
  4. Step 4: Simplify right side
    401,353.30x = 89,321,237,480.35
  5. Step 5: Solve for x
    x = 89,321,237,480.35/401,353.30
  6. Step 6: Final answer
    x = 222,550.15

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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.