Home / 389,326.73-583,986.41-123,087.22

Finding the Fourth Proportional to 389,326.73, 583,986.41 and 123,087.22

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Solution

The fourth proportional to 389,326.73, 583,986.41 and 123,087.22 is: 184,629.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,326.73 : 583,986.41 = 123,087.22 : x
  2. Step 2: Convert to fraction form
    389,326.73/583,986.41 = 123,087.22/x
  3. Step 3: Cross multiply
    389,326.73x = 583,986.41 × 123,087.22
  4. Step 4: Simplify right side
    389,326.73x = 71,881,263,724.68
  5. Step 5: Solve for x
    x = 71,881,263,724.68/389,326.73
  6. Step 6: Final answer
    x = 184,629.66

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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.