Home / 505,903.29-758,836.83-126,827.16

Finding the Fourth Proportional to 505,903.29, 758,836.83 and 126,827.16

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Solution

The fourth proportional to 505,903.29, 758,836.83 and 126,827.16 is: 190,236.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,903.29 : 758,836.83 = 126,827.16 : x
  2. Step 2: Convert to fraction form
    505,903.29/758,836.83 = 126,827.16/x
  3. Step 3: Cross multiply
    505,903.29x = 758,836.83 × 126,827.16
  4. Step 4: Simplify right side
    505,903.29x = 96,241,120,052.30
  5. Step 5: Solve for x
    x = 96,241,120,052.30/505,903.29
  6. Step 6: Final answer
    x = 190,236.20

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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.