Home / 269,772.23-372,285.75-148,913.59

Finding the Fourth Proportional to 269,772.23, 372,285.75 and 148,913.59

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Solution

The fourth proportional to 269,772.23, 372,285.75 and 148,913.59 is: 205,500.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,772.23 : 372,285.75 = 148,913.59 : x
  2. Step 2: Convert to fraction form
    269,772.23/372,285.75 = 148,913.59/x
  3. Step 3: Cross multiply
    269,772.23x = 372,285.75 × 148,913.59
  4. Step 4: Simplify right side
    269,772.23x = 55,438,407,538.34
  5. Step 5: Solve for x
    x = 55,438,407,538.34/269,772.23
  6. Step 6: Final answer
    x = 205,500.79

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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.