Home / 269,861.20-404,467.80-112,008.40

Finding the Fourth Proportional to 269,861.20, 404,467.80 and 112,008.40

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Solution

The fourth proportional to 269,861.20, 404,467.80 and 112,008.40 is: 167,878.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,861.20 : 404,467.80 = 112,008.40 : x
  2. Step 2: Convert to fraction form
    269,861.20/404,467.80 = 112,008.40/x
  3. Step 3: Cross multiply
    269,861.20x = 404,467.80 × 112,008.40
  4. Step 4: Simplify right side
    269,861.20x = 45,303,791,129.52
  5. Step 5: Solve for x
    x = 45,303,791,129.52/269,861.20
  6. Step 6: Final answer
    x = 167,878.12

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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.