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Finding the Fourth Proportional to 254,635.31, 382,035.83 and 121,498.31

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Solution

The fourth proportional to 254,635.31, 382,035.83 and 121,498.31 is: 182,287.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,635.31 : 382,035.83 = 121,498.31 : x
  2. Step 2: Convert to fraction form
    254,635.31/382,035.83 = 121,498.31/x
  3. Step 3: Cross multiply
    254,635.31x = 382,035.83 × 121,498.31
  4. Step 4: Simplify right side
    254,635.31x = 46,416,708,052.05
  5. Step 5: Solve for x
    x = 46,416,708,052.05/254,635.31
  6. Step 6: Final answer
    x = 182,287.00

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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.