Home / 262,865.79-394,298.82-73,318.50

Finding the Fourth Proportional to 262,865.79, 394,298.82 and 73,318.50

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Solution

The fourth proportional to 262,865.79, 394,298.82 and 73,318.50 is: 109,977.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,865.79 : 394,298.82 = 73,318.50 : x
  2. Step 2: Convert to fraction form
    262,865.79/394,298.82 = 73,318.50/x
  3. Step 3: Cross multiply
    262,865.79x = 394,298.82 × 73,318.50
  4. Step 4: Simplify right side
    262,865.79x = 28,909,398,034.17
  5. Step 5: Solve for x
    x = 28,909,398,034.17/262,865.79
  6. Step 6: Final answer
    x = 109,977.79

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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.