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Finding the Fourth Proportional to 500,958.96, 751,365.48 and 145,877.64

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Solution

The fourth proportional to 500,958.96, 751,365.48 and 145,877.64 is: 218,795.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,958.96 : 751,365.48 = 145,877.64 : x
  2. Step 2: Convert to fraction form
    500,958.96/751,365.48 = 145,877.64/x
  3. Step 3: Cross multiply
    500,958.96x = 751,365.48 × 145,877.64
  4. Step 4: Simplify right side
    500,958.96x = 109,607,422,999.87
  5. Step 5: Solve for x
    x = 109,607,422,999.87/500,958.96
  6. Step 6: Final answer
    x = 218,795.21

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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.