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Finding the Fourth Proportional to 240,793.36, 332,259.37 and 138,810.81

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Solution

The fourth proportional to 240,793.36, 332,259.37 and 138,810.81 is: 191,538.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,793.36 : 332,259.37 = 138,810.81 : x
  2. Step 2: Convert to fraction form
    240,793.36/332,259.37 = 138,810.81/x
  3. Step 3: Cross multiply
    240,793.36x = 332,259.37 × 138,810.81
  4. Step 4: Simplify right side
    240,793.36x = 46,121,193,178.74
  5. Step 5: Solve for x
    x = 46,121,193,178.74/240,793.36
  6. Step 6: Final answer
    x = 191,538.48

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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.