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Finding the Fourth Proportional to 335,382.90, 462,894.12 and 192,238.80

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Solution

The fourth proportional to 335,382.90, 462,894.12 and 192,238.80 is: 265,327.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,382.90 : 462,894.12 = 192,238.80 : x
  2. Step 2: Convert to fraction form
    335,382.90/462,894.12 = 192,238.80/x
  3. Step 3: Cross multiply
    335,382.90x = 462,894.12 × 192,238.80
  4. Step 4: Simplify right side
    335,382.90x = 88,986,210,155.86
  5. Step 5: Solve for x
    x = 88,986,210,155.86/335,382.90
  6. Step 6: Final answer
    x = 265,327.21

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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.