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Finding the Fourth Proportional to 300,073.92, 450,347.50 and 131,710.46

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Solution

The fourth proportional to 300,073.92, 450,347.50 and 131,710.46 is: 197,669.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,073.92 : 450,347.50 = 131,710.46 : x
  2. Step 2: Convert to fraction form
    300,073.92/450,347.50 = 131,710.46/x
  3. Step 3: Cross multiply
    300,073.92x = 450,347.50 × 131,710.46
  4. Step 4: Simplify right side
    300,073.92x = 59,315,476,384.85
  5. Step 5: Solve for x
    x = 59,315,476,384.85/300,073.92
  6. Step 6: Final answer
    x = 197,669.55

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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.