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Finding the Fourth Proportional to 240,745.48, 332,228.50 and 133,315.48

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Solution

The fourth proportional to 240,745.48, 332,228.50 and 133,315.48 is: 183,975.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,745.48 : 332,228.50 = 133,315.48 : x
  2. Step 2: Convert to fraction form
    240,745.48/332,228.50 = 133,315.48/x
  3. Step 3: Cross multiply
    240,745.48x = 332,228.50 × 133,315.48
  4. Step 4: Simplify right side
    240,745.48x = 44,291,201,947.18
  5. Step 5: Solve for x
    x = 44,291,201,947.18/240,745.48
  6. Step 6: Final answer
    x = 183,975.22

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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.