Home / 345,185.28-476,325.36-192,211.92

Finding the Fourth Proportional to 345,185.28, 476,325.36 and 192,211.92

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Solution

The fourth proportional to 345,185.28, 476,325.36 and 192,211.92 is: 265,235.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,185.28 : 476,325.36 = 192,211.92 : x
  2. Step 2: Convert to fraction form
    345,185.28/476,325.36 = 192,211.92/x
  3. Step 3: Cross multiply
    345,185.28x = 476,325.36 × 192,211.92
  4. Step 4: Simplify right side
    345,185.28x = 91,555,411,990.29
  5. Step 5: Solve for x
    x = 91,555,411,990.29/345,185.28
  6. Step 6: Final answer
    x = 265,235.56

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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.