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Finding the Fourth Proportional to 254,188.87, 380,682.05 and 220,727.16

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Solution

The fourth proportional to 254,188.87, 380,682.05 and 220,727.16 is: 330,568.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,188.87 : 380,682.05 = 220,727.16 : x
  2. Step 2: Convert to fraction form
    254,188.87/380,682.05 = 220,727.16/x
  3. Step 3: Cross multiply
    254,188.87x = 380,682.05 × 220,727.16
  4. Step 4: Simplify right side
    254,188.87x = 84,026,866,655.84
  5. Step 5: Solve for x
    x = 84,026,866,655.84/254,188.87
  6. Step 6: Final answer
    x = 330,568.63

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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.