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Finding the Fourth Proportional to 269,969.80, 404,724.30 and 190,835.08

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Solution

The fourth proportional to 269,969.80, 404,724.30 and 190,835.08 is: 286,089.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,969.80 : 404,724.30 = 190,835.08 : x
  2. Step 2: Convert to fraction form
    269,969.80/404,724.30 = 190,835.08/x
  3. Step 3: Cross multiply
    269,969.80x = 404,724.30 × 190,835.08
  4. Step 4: Simplify right side
    269,969.80x = 77,235,594,168.44
  5. Step 5: Solve for x
    x = 77,235,594,168.44/269,969.80
  6. Step 6: Final answer
    x = 286,089.76

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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.