Home / 282,331.45-423,476.65-92,789.56

Finding the Fourth Proportional to 282,331.45, 423,476.65 and 92,789.56

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Solution

The fourth proportional to 282,331.45, 423,476.65 and 92,789.56 is: 139,177.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,331.45 : 423,476.65 = 92,789.56 : x
  2. Step 2: Convert to fraction form
    282,331.45/423,476.65 = 92,789.56/x
  3. Step 3: Cross multiply
    282,331.45x = 423,476.65 × 92,789.56
  4. Step 4: Simplify right side
    282,331.45x = 39,294,212,023.77
  5. Step 5: Solve for x
    x = 39,294,212,023.77/282,331.45
  6. Step 6: Final answer
    x = 139,177.59

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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.