Home / 268,847.35-403,271.02-111,079.89

Finding the Fourth Proportional to 268,847.35, 403,271.02 and 111,079.89

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Solution

The fourth proportional to 268,847.35, 403,271.02 and 111,079.89 is: 166,619.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,847.35 : 403,271.02 = 111,079.89 : x
  2. Step 2: Convert to fraction form
    268,847.35/403,271.02 = 111,079.89/x
  3. Step 3: Cross multiply
    268,847.35x = 403,271.02 × 111,079.89
  4. Step 4: Simplify right side
    268,847.35x = 44,795,300,541.79
  5. Step 5: Solve for x
    x = 44,795,300,541.79/268,847.35
  6. Step 6: Final answer
    x = 166,619.83

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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.