Home / 330,234.02-455,724.70-187,021.94

Finding the Fourth Proportional to 330,234.02, 455,724.70 and 187,021.94

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Solution

The fourth proportional to 330,234.02, 455,724.70 and 187,021.94 is: 258,091.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,234.02 : 455,724.70 = 187,021.94 : x
  2. Step 2: Convert to fraction form
    330,234.02/455,724.70 = 187,021.94/x
  3. Step 3: Cross multiply
    330,234.02x = 455,724.70 × 187,021.94
  4. Step 4: Simplify right side
    330,234.02x = 85,230,517,499.92
  5. Step 5: Solve for x
    x = 85,230,517,499.92/330,234.02
  6. Step 6: Final answer
    x = 258,091.27

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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.