Home / 345,679.31-477,039.51-192,727.15

Finding the Fourth Proportional to 345,679.31, 477,039.51 and 192,727.15

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Solution

The fourth proportional to 345,679.31, 477,039.51 and 192,727.15 is: 265,964.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,679.31 : 477,039.51 = 192,727.15 : x
  2. Step 2: Convert to fraction form
    345,679.31/477,039.51 = 192,727.15/x
  3. Step 3: Cross multiply
    345,679.31x = 477,039.51 × 192,727.15
  4. Step 4: Simplify right side
    345,679.31x = 91,938,464,007.10
  5. Step 5: Solve for x
    x = 91,938,464,007.10/345,679.31
  6. Step 6: Final answer
    x = 265,964.61

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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.