Home / 268,950.25-403,499.04-79,410.55

Finding the Fourth Proportional to 268,950.25, 403,499.04 and 79,410.55

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Solution

The fourth proportional to 268,950.25, 403,499.04 and 79,410.55 is: 119,137.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,950.25 : 403,499.04 = 79,410.55 : x
  2. Step 2: Convert to fraction form
    268,950.25/403,499.04 = 79,410.55/x
  3. Step 3: Cross multiply
    268,950.25x = 403,499.04 × 79,410.55
  4. Step 4: Simplify right side
    268,950.25x = 32,042,080,690.87
  5. Step 5: Solve for x
    x = 32,042,080,690.87/268,950.25
  6. Step 6: Final answer
    x = 119,137.58

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1.5x scale

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.