Home / 330,808.28-496,012.64-148,405.69

Finding the Fourth Proportional to 330,808.28, 496,012.64 and 148,405.69

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Solution

The fourth proportional to 330,808.28, 496,012.64 and 148,405.69 is: 222,518.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,808.28 : 496,012.64 = 148,405.69 : x
  2. Step 2: Convert to fraction form
    330,808.28/496,012.64 = 148,405.69/x
  3. Step 3: Cross multiply
    330,808.28x = 496,012.64 × 148,405.69
  4. Step 4: Simplify right side
    330,808.28x = 73,611,098,087.92
  5. Step 5: Solve for x
    x = 73,611,098,087.92/330,808.28
  6. Step 6: Final answer
    x = 222,518.91

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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.