Home / 292,983.66-439,436.55-82,638.54

Finding the Fourth Proportional to 292,983.66, 439,436.55 and 82,638.54

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Solution

The fourth proportional to 292,983.66, 439,436.55 and 82,638.54 is: 123,946.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,983.66 : 439,436.55 = 82,638.54 : x
  2. Step 2: Convert to fraction form
    292,983.66/439,436.55 = 82,638.54/x
  3. Step 3: Cross multiply
    292,983.66x = 439,436.55 × 82,638.54
  4. Step 4: Simplify right side
    292,983.66x = 36,314,394,914.64
  5. Step 5: Solve for x
    x = 36,314,394,914.64/292,983.66
  6. Step 6: Final answer
    x = 123,946.83

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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.