Home / 281,362.50-422,147.43-148,237.38

Finding the Fourth Proportional to 281,362.50, 422,147.43 and 148,237.38

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Solution

The fourth proportional to 281,362.50, 422,147.43 and 148,237.38 is: 222,410.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,362.50 : 422,147.43 = 148,237.38 : x
  2. Step 2: Convert to fraction form
    281,362.50/422,147.43 = 148,237.38/x
  3. Step 3: Cross multiply
    281,362.50x = 422,147.43 × 148,237.38
  4. Step 4: Simplify right side
    281,362.50x = 62,578,028,996.93
  5. Step 5: Solve for x
    x = 62,578,028,996.93/281,362.50
  6. Step 6: Final answer
    x = 222,410.69

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1.5x scale

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.