Home / 505,901.16-758,833.59-126,825.02

Finding the Fourth Proportional to 505,901.16, 758,833.59 and 126,825.02

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Solution

The fourth proportional to 505,901.16, 758,833.59 and 126,825.02 is: 190,232.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,901.16 : 758,833.59 = 126,825.02 : x
  2. Step 2: Convert to fraction form
    505,901.16/758,833.59 = 126,825.02/x
  3. Step 3: Cross multiply
    505,901.16x = 758,833.59 × 126,825.02
  4. Step 4: Simplify right side
    505,901.16x = 96,239,081,434.25
  5. Step 5: Solve for x
    x = 96,239,081,434.25/505,901.16
  6. Step 6: Final answer
    x = 190,232.97

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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.