Home / 282,199.14-423,338.40-82,534.50

Finding the Fourth Proportional to 282,199.14, 423,338.40 and 82,534.50

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Solution

The fourth proportional to 282,199.14, 423,338.40 and 82,534.50 is: 123,813.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,199.14 : 423,338.40 = 82,534.50 : x
  2. Step 2: Convert to fraction form
    282,199.14/423,338.40 = 82,534.50/x
  3. Step 3: Cross multiply
    282,199.14x = 423,338.40 × 82,534.50
  4. Step 4: Simplify right side
    282,199.14x = 34,940,023,174.80
  5. Step 5: Solve for x
    x = 34,940,023,174.80/282,199.14
  6. Step 6: Final answer
    x = 123,813.36

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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.