Home / 330,647.20-456,342.93-201,660.50

Finding the Fourth Proportional to 330,647.20, 456,342.93 and 201,660.50

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Solution

The fourth proportional to 330,647.20, 456,342.93 and 201,660.50 is: 278,321.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,647.20 : 456,342.93 = 201,660.50 : x
  2. Step 2: Convert to fraction form
    330,647.20/456,342.93 = 201,660.50/x
  3. Step 3: Cross multiply
    330,647.20x = 456,342.93 × 201,660.50
  4. Step 4: Simplify right side
    330,647.20x = 92,026,343,435.27
  5. Step 5: Solve for x
    x = 92,026,343,435.27/330,647.20
  6. Step 6: Final answer
    x = 278,321.86

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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.