Home / 500,682.24-751,015.13-121,606.11

Finding the Fourth Proportional to 500,682.24, 751,015.13 and 121,606.11

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Solution

The fourth proportional to 500,682.24, 751,015.13 and 121,606.11 is: 182,407.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,682.24 : 751,015.13 = 121,606.11 : x
  2. Step 2: Convert to fraction form
    500,682.24/751,015.13 = 121,606.11/x
  3. Step 3: Cross multiply
    500,682.24x = 751,015.13 × 121,606.11
  4. Step 4: Simplify right side
    500,682.24x = 91,328,027,902.41
  5. Step 5: Solve for x
    x = 91,328,027,902.41/500,682.24
  6. Step 6: Final answer
    x = 182,407.16

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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.