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Finding the Fourth Proportional to 253,668.72, 350,061.96 and 146,238.24

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Solution

The fourth proportional to 253,668.72, 350,061.96 and 146,238.24 is: 201,808.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,668.72 : 350,061.96 = 146,238.24 : x
  2. Step 2: Convert to fraction form
    253,668.72/350,061.96 = 146,238.24/x
  3. Step 3: Cross multiply
    253,668.72x = 350,061.96 × 146,238.24
  4. Step 4: Simplify right side
    253,668.72x = 51,192,444,921.35
  5. Step 5: Solve for x
    x = 51,192,444,921.35/253,668.72
  6. Step 6: Final answer
    x = 201,808.27

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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.