Home / 268,840.83-403,447.14-111,070.65

Finding the Fourth Proportional to 268,840.83, 403,447.14 and 111,070.65

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Solution

The fourth proportional to 268,840.83, 403,447.14 and 111,070.65 is: 166,682.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,840.83 : 403,447.14 = 111,070.65 : x
  2. Step 2: Convert to fraction form
    268,840.83/403,447.14 = 111,070.65/x
  3. Step 3: Cross multiply
    268,840.83x = 403,447.14 × 111,070.65
  4. Step 4: Simplify right side
    268,840.83x = 44,811,136,080.44
  5. Step 5: Solve for x
    x = 44,811,136,080.44/268,840.83
  6. Step 6: Final answer
    x = 166,682.78

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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.