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Finding the Fourth Proportional to 500,995.29, 751,482 and 121,917.72

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Solution

The fourth proportional to 500,995.29, 751,482 and 121,917.72 is: 182,873.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,995.29 : 751,482 = 121,917.72 : x
  2. Step 2: Convert to fraction form
    500,995.29/751,482 = 121,917.72/x
  3. Step 3: Cross multiply
    500,995.29x = 751,482 × 121,917.72
  4. Step 4: Simplify right side
    500,995.29x = 91,618,972,061.04
  5. Step 5: Solve for x
    x = 91,618,972,061.04/500,995.29
  6. Step 6: Final answer
    x = 182,873.92

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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.