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Finding the Fourth Proportional to 196,677.68, 295,016.80 and 84,285

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Solution

The fourth proportional to 196,677.68, 295,016.80 and 84,285 is: 126,427.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,677.68 : 295,016.80 = 84,285 : x
  2. Step 2: Convert to fraction form
    196,677.68/295,016.80 = 84,285/x
  3. Step 3: Cross multiply
    196,677.68x = 295,016.80 × 84,285
  4. Step 4: Simplify right side
    196,677.68x = 24,865,490,988
  5. Step 5: Solve for x
    x = 24,865,490,988/196,677.68
  6. Step 6: Final answer
    x = 126,427.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.