Home / 345,448.19-476,711.33-192,485.77

Finding the Fourth Proportional to 345,448.19, 476,711.33 and 192,485.77

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Solution

The fourth proportional to 345,448.19, 476,711.33 and 192,485.77 is: 265,626.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,448.19 : 476,711.33 = 192,485.77 : x
  2. Step 2: Convert to fraction form
    345,448.19/476,711.33 = 192,485.77/x
  3. Step 3: Cross multiply
    345,448.19x = 476,711.33 × 192,485.77
  4. Step 4: Simplify right side
    345,448.19x = 91,760,145,268.57
  5. Step 5: Solve for x
    x = 91,760,145,268.57/345,448.19
  6. Step 6: Final answer
    x = 265,626.36

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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.