Home / 345,287.28-476,466.12-192,313.92

Finding the Fourth Proportional to 345,287.28, 476,466.12 and 192,313.92

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Solution

The fourth proportional to 345,287.28, 476,466.12 and 192,313.92 is: 265,376.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,287.28 : 476,466.12 = 192,313.92 : x
  2. Step 2: Convert to fraction form
    345,287.28/476,466.12 = 192,313.92/x
  3. Step 3: Cross multiply
    345,287.28x = 476,466.12 × 192,313.92
  4. Step 4: Simplify right side
    345,287.28x = 91,631,067,284.39
  5. Step 5: Solve for x
    x = 91,631,067,284.39/345,287.28
  6. Step 6: Final answer
    x = 265,376.32

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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.