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Finding the Fourth Proportional to 343,359, 473,850 and 192,456

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Solution

The fourth proportional to 343,359, 473,850 and 192,456 is: 265,597.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,359 : 473,850 = 192,456 : x
  2. Step 2: Convert to fraction form
    343,359/473,850 = 192,456/x
  3. Step 3: Cross multiply
    343,359x = 473,850 × 192,456
  4. Step 4: Simplify right side
    343,359x = 91,195,275,600
  5. Step 5: Solve for x
    x = 91,195,275,600/343,359
  6. Step 6: Final answer
    x = 265,597.45

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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.