Home / 500,997.09-751,497.16-121,917.89

Finding the Fourth Proportional to 500,997.09, 751,497.16 and 121,917.89

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Solution

The fourth proportional to 500,997.09, 751,497.16 and 121,917.89 is: 182,877.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,997.09 : 751,497.16 = 121,917.89 : x
  2. Step 2: Convert to fraction form
    500,997.09/751,497.16 = 121,917.89/x
  3. Step 3: Cross multiply
    500,997.09x = 751,497.16 × 121,917.89
  4. Step 4: Simplify right side
    500,997.09x = 91,620,948,088.19
  5. Step 5: Solve for x
    x = 91,620,948,088.19/500,997.09
  6. Step 6: Final answer
    x = 182,877.21

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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.