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Finding the Fourth Proportional to 343,602.28, 474,194.82 and 192,709

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Solution

The fourth proportional to 343,602.28, 474,194.82 and 192,709 is: 265,951.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,602.28 : 474,194.82 = 192,709 : x
  2. Step 2: Convert to fraction form
    343,602.28/474,194.82 = 192,709/x
  3. Step 3: Cross multiply
    343,602.28x = 474,194.82 × 192,709
  4. Step 4: Simplify right side
    343,602.28x = 91,381,609,567.38
  5. Step 5: Solve for x
    x = 91,381,609,567.38/343,602.28
  6. Step 6: Final answer
    x = 265,951.70

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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.