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Finding the Fourth Proportional to 253,440.30, 349,662.12 and 146,007.54

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Solution

The fourth proportional to 253,440.30, 349,662.12 and 146,007.54 is: 201,441.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,440.30 : 349,662.12 = 146,007.54 : x
  2. Step 2: Convert to fraction form
    253,440.30/349,662.12 = 146,007.54/x
  3. Step 3: Cross multiply
    253,440.30x = 349,662.12 × 146,007.54
  4. Step 4: Simplify right side
    253,440.30x = 51,053,305,972.38
  5. Step 5: Solve for x
    x = 51,053,305,972.38/253,440.30
  6. Step 6: Final answer
    x = 201,441.15

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1.5x scale

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.