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Finding the Fourth Proportional to 500,181.56, 750,389.34 and 145,202.36

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Solution

The fourth proportional to 500,181.56, 750,389.34 and 145,202.36 is: 217,837.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,181.56 : 750,389.34 = 145,202.36 : x
  2. Step 2: Convert to fraction form
    500,181.56/750,389.34 = 145,202.36/x
  3. Step 3: Cross multiply
    500,181.56x = 750,389.34 × 145,202.36
  4. Step 4: Simplify right side
    500,181.56x = 108,958,303,086.84
  5. Step 5: Solve for x
    x = 108,958,303,086.84/500,181.56
  6. Step 6: Final answer
    x = 217,837.51

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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.