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Finding the Fourth Proportional to 345,313.44, 476,497.44 and 192,360.24

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Solution

The fourth proportional to 345,313.44, 476,497.44 and 192,360.24 is: 265,437.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,313.44 : 476,497.44 = 192,360.24 : x
  2. Step 2: Convert to fraction form
    345,313.44/476,497.44 = 192,360.24/x
  3. Step 3: Cross multiply
    345,313.44x = 476,497.44 × 192,360.24
  4. Step 4: Simplify right side
    345,313.44x = 91,659,161,917.79
  5. Step 5: Solve for x
    x = 91,659,161,917.79/345,313.44
  6. Step 6: Final answer
    x = 265,437.57

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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.