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Finding the Fourth Proportional to 366,189.92, 505,254.96 and 222,948.32

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Solution

The fourth proportional to 366,189.92, 505,254.96 and 222,948.32 is: 307,615.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,189.92 : 505,254.96 = 222,948.32 : x
  2. Step 2: Convert to fraction form
    366,189.92/505,254.96 = 222,948.32/x
  3. Step 3: Cross multiply
    366,189.92x = 505,254.96 × 222,948.32
  4. Step 4: Simplify right side
    366,189.92x = 112,645,744,503.67
  5. Step 5: Solve for x
    x = 112,645,744,503.67/366,189.92
  6. Step 6: Final answer
    x = 307,615.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.