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Finding the Fourth Proportional to 542,147.08, 813,214.76 and 222,227.64

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Solution

The fourth proportional to 542,147.08, 813,214.76 and 222,227.64 is: 333,339.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,147.08 : 813,214.76 = 222,227.64 : x
  2. Step 2: Convert to fraction form
    542,147.08/813,214.76 = 222,227.64/x
  3. Step 3: Cross multiply
    542,147.08x = 813,214.76 × 222,227.64
  4. Step 4: Simplify right side
    542,147.08x = 180,718,796,927.97
  5. Step 5: Solve for x
    x = 180,718,796,927.97/542,147.08
  6. Step 6: Final answer
    x = 333,339.06

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1.5x scale

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.