Home / 477,976.62-716,717.87-140,974.27

Finding the Fourth Proportional to 477,976.62, 716,717.87 and 140,974.27

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Solution

The fourth proportional to 477,976.62, 716,717.87 and 140,974.27 is: 211,388.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,976.62 : 716,717.87 = 140,974.27 : x
  2. Step 2: Convert to fraction form
    477,976.62/716,717.87 = 140,974.27/x
  3. Step 3: Cross multiply
    477,976.62x = 716,717.87 × 140,974.27
  4. Step 4: Simplify right side
    477,976.62x = 101,038,780,582.73
  5. Step 5: Solve for x
    x = 101,038,780,582.73/477,976.62
  6. Step 6: Final answer
    x = 211,388.54

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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.