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Finding the Fourth Proportional to 206,059.28, 309,133.31 and 63,901.71

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Solution

The fourth proportional to 206,059.28, 309,133.31 and 63,901.71 is: 95,866.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,059.28 : 309,133.31 = 63,901.71 : x
  2. Step 2: Convert to fraction form
    206,059.28/309,133.31 = 63,901.71/x
  3. Step 3: Cross multiply
    206,059.28x = 309,133.31 × 63,901.71
  4. Step 4: Simplify right side
    206,059.28x = 19,754,146,807.45
  5. Step 5: Solve for x
    x = 19,754,146,807.45/206,059.28
  6. Step 6: Final answer
    x = 95,866.33

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1.5x scale

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.