Home / 319,964.20-480,003.90-132,994.60

Finding the Fourth Proportional to 319,964.20, 480,003.90 and 132,994.60

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Solution

The fourth proportional to 319,964.20, 480,003.90 and 132,994.60 is: 199,515.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,964.20 : 480,003.90 = 132,994.60 : x
  2. Step 2: Convert to fraction form
    319,964.20/480,003.90 = 132,994.60/x
  3. Step 3: Cross multiply
    319,964.20x = 480,003.90 × 132,994.60
  4. Step 4: Simplify right side
    319,964.20x = 63,837,926,678.94
  5. Step 5: Solve for x
    x = 63,837,926,678.94/319,964.20
  6. Step 6: Final answer
    x = 199,515.84

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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.