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Finding the Fourth Proportional to 295,542.65, 407,858.92 and 174,787.45

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Solution

The fourth proportional to 295,542.65, 407,858.92 and 174,787.45 is: 241,212.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,542.65 : 407,858.92 = 174,787.45 : x
  2. Step 2: Convert to fraction form
    295,542.65/407,858.92 = 174,787.45/x
  3. Step 3: Cross multiply
    295,542.65x = 407,858.92 × 174,787.45
  4. Step 4: Simplify right side
    295,542.65x = 71,288,620,586.55
  5. Step 5: Solve for x
    x = 71,288,620,586.55/295,542.65
  6. Step 6: Final answer
    x = 241,212.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.