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Finding the Fourth Proportional to 300,032.27, 413,849.44 and 192,431.87

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Solution

The fourth proportional to 300,032.27, 413,849.44 and 192,431.87 is: 265,430.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,032.27 : 413,849.44 = 192,431.87 : x
  2. Step 2: Convert to fraction form
    300,032.27/413,849.44 = 192,431.87/x
  3. Step 3: Cross multiply
    300,032.27x = 413,849.44 × 192,431.87
  4. Step 4: Simplify right side
    300,032.27x = 79,637,821,637.65
  5. Step 5: Solve for x
    x = 79,637,821,637.65/300,032.27
  6. Step 6: Final answer
    x = 265,430.85

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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.