Home / 306,092.08-459,137.50-81,452.52

Finding the Fourth Proportional to 306,092.08, 459,137.50 and 81,452.52

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Solution

The fourth proportional to 306,092.08, 459,137.50 and 81,452.52 is: 122,178.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,092.08 : 459,137.50 = 81,452.52 : x
  2. Step 2: Convert to fraction form
    306,092.08/459,137.50 = 81,452.52/x
  3. Step 3: Cross multiply
    306,092.08x = 459,137.50 × 81,452.52
  4. Step 4: Simplify right side
    306,092.08x = 37,397,906,401.50
  5. Step 5: Solve for x
    x = 37,397,906,401.50/306,092.08
  6. Step 6: Final answer
    x = 122,178.62

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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.