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Finding the Fourth Proportional to 500,553.37, 750,823.73 and 121,477.22

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Solution

The fourth proportional to 500,553.37, 750,823.73 and 121,477.22 is: 182,214.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,553.37 : 750,823.73 = 121,477.22 : x
  2. Step 2: Convert to fraction form
    500,553.37/750,823.73 = 121,477.22/x
  3. Step 3: Cross multiply
    500,553.37x = 750,823.73 × 121,477.22
  4. Step 4: Simplify right side
    500,553.37x = 91,207,978,340.05
  5. Step 5: Solve for x
    x = 91,207,978,340.05/500,553.37
  6. Step 6: Final answer
    x = 182,214.29

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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.