Home / 268,928.30-403,003.65-119,045.90

Finding the Fourth Proportional to 268,928.30, 403,003.65 and 119,045.90

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Solution

The fourth proportional to 268,928.30, 403,003.65 and 119,045.90 is: 178,396.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,928.30 : 403,003.65 = 119,045.90 : x
  2. Step 2: Convert to fraction form
    268,928.30/403,003.65 = 119,045.90/x
  3. Step 3: Cross multiply
    268,928.30x = 403,003.65 × 119,045.90
  4. Step 4: Simplify right side
    268,928.30x = 47,975,932,217.54
  5. Step 5: Solve for x
    x = 47,975,932,217.54/268,928.30
  6. Step 6: Final answer
    x = 178,396.74

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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.