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Finding the Fourth Proportional to 235,899, 353,908.44 and 69,687

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Solution

The fourth proportional to 235,899, 353,908.44 and 69,687 is: 104,548.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,899 : 353,908.44 = 69,687 : x
  2. Step 2: Convert to fraction form
    235,899/353,908.44 = 69,687/x
  3. Step 3: Cross multiply
    235,899x = 353,908.44 × 69,687
  4. Step 4: Simplify right side
    235,899x = 24,662,817,458.28
  5. Step 5: Solve for x
    x = 24,662,817,458.28/235,899
  6. Step 6: Final answer
    x = 104,548.21

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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.