Home / 330,377.45-455,906.27-187,134.62

Finding the Fourth Proportional to 330,377.45, 455,906.27 and 187,134.62

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Solution

The fourth proportional to 330,377.45, 455,906.27 and 187,134.62 is: 258,237.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,377.45 : 455,906.27 = 187,134.62 : x
  2. Step 2: Convert to fraction form
    330,377.45/455,906.27 = 187,134.62/x
  3. Step 3: Cross multiply
    330,377.45x = 455,906.27 × 187,134.62
  4. Step 4: Simplify right side
    330,377.45x = 85,315,844,312.54
  5. Step 5: Solve for x
    x = 85,315,844,312.54/330,377.45
  6. Step 6: Final answer
    x = 258,237.50

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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.