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Finding the Fourth Proportional to 225,357.37, 337,802.44 and 140,923.75

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Solution

The fourth proportional to 225,357.37, 337,802.44 and 140,923.75 is: 211,239.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,357.37 : 337,802.44 = 140,923.75 : x
  2. Step 2: Convert to fraction form
    225,357.37/337,802.44 = 140,923.75/x
  3. Step 3: Cross multiply
    225,357.37x = 337,802.44 × 140,923.75
  4. Step 4: Simplify right side
    225,357.37x = 47,604,385,407.13
  5. Step 5: Solve for x
    x = 47,604,385,407.13/225,357.37
  6. Step 6: Final answer
    x = 211,239.53

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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.