Home / 248,816.12-373,211.21-80,333.28

Finding the Fourth Proportional to 248,816.12, 373,211.21 and 80,333.28

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Solution

The fourth proportional to 248,816.12, 373,211.21 and 80,333.28 is: 120,495.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,816.12 : 373,211.21 = 80,333.28 : x
  2. Step 2: Convert to fraction form
    248,816.12/373,211.21 = 80,333.28/x
  3. Step 3: Cross multiply
    248,816.12x = 373,211.21 × 80,333.28
  4. Step 4: Simplify right side
    248,816.12x = 29,981,280,832.90
  5. Step 5: Solve for x
    x = 29,981,280,832.90/248,816.12
  6. Step 6: Final answer
    x = 120,495.74

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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.