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Finding the Fourth Proportional to 270,703.71, 405,827.24 and 170,643.39

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Solution

The fourth proportional to 270,703.71, 405,827.24 and 170,643.39 is: 255,821.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,703.71 : 405,827.24 = 170,643.39 : x
  2. Step 2: Convert to fraction form
    270,703.71/405,827.24 = 170,643.39/x
  3. Step 3: Cross multiply
    270,703.71x = 405,827.24 × 170,643.39
  4. Step 4: Simplify right side
    270,703.71x = 69,251,735,134.73
  5. Step 5: Solve for x
    x = 69,251,735,134.73/270,703.71
  6. Step 6: Final answer
    x = 255,821.15

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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.