Home / 262,913.76-394,423.70-83,027.30

Finding the Fourth Proportional to 262,913.76, 394,423.70 and 83,027.30

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Solution

The fourth proportional to 262,913.76, 394,423.70 and 83,027.30 is: 124,557.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,913.76 : 394,423.70 = 83,027.30 : x
  2. Step 2: Convert to fraction form
    262,913.76/394,423.70 = 83,027.30/x
  3. Step 3: Cross multiply
    262,913.76x = 394,423.70 × 83,027.30
  4. Step 4: Simplify right side
    262,913.76x = 32,747,932,479.76
  5. Step 5: Solve for x
    x = 32,747,932,479.76/262,913.76
  6. Step 6: Final answer
    x = 124,557.70

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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.