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Finding the Fourth Proportional to 295,177.80, 442,195.94 and 247,223.56

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Solution

The fourth proportional to 295,177.80, 442,195.94 and 247,223.56 is: 370,357.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,177.80 : 442,195.94 = 247,223.56 : x
  2. Step 2: Convert to fraction form
    295,177.80/442,195.94 = 247,223.56/x
  3. Step 3: Cross multiply
    295,177.80x = 442,195.94 × 247,223.56
  4. Step 4: Simplify right side
    295,177.80x = 109,321,254,504.35
  5. Step 5: Solve for x
    x = 109,321,254,504.35/295,177.80
  6. Step 6: Final answer
    x = 370,357.31

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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.