Home / 330,664.34-496,060.35-141,121.94

Finding the Fourth Proportional to 330,664.34, 496,060.35 and 141,121.94

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Solution

The fourth proportional to 330,664.34, 496,060.35 and 141,121.94 is: 211,710.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,664.34 : 496,060.35 = 141,121.94 : x
  2. Step 2: Convert to fraction form
    330,664.34/496,060.35 = 141,121.94/x
  3. Step 3: Cross multiply
    330,664.34x = 496,060.35 × 141,121.94
  4. Step 4: Simplify right side
    330,664.34x = 70,004,998,949.08
  5. Step 5: Solve for x
    x = 70,004,998,949.08/330,664.34
  6. Step 6: Final answer
    x = 211,710.16

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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.