Home / 268,986.20-403,479.30-119,298.20

Finding the Fourth Proportional to 268,986.20, 403,479.30 and 119,298.20

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Solution

The fourth proportional to 268,986.20, 403,479.30 and 119,298.20 is: 178,947.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,986.20 : 403,479.30 = 119,298.20 : x
  2. Step 2: Convert to fraction form
    268,986.20/403,479.30 = 119,298.20/x
  3. Step 3: Cross multiply
    268,986.20x = 403,479.30 × 119,298.20
  4. Step 4: Simplify right side
    268,986.20x = 48,134,354,227.26
  5. Step 5: Solve for x
    x = 48,134,354,227.26/268,986.20
  6. Step 6: Final answer
    x = 178,947.30

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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.