Home / 208,496.28-313,177.68-168,560.40

Finding the Fourth Proportional to 208,496.28, 313,177.68 and 168,560.40

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Solution

The fourth proportional to 208,496.28, 313,177.68 and 168,560.40 is: 253,190.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,496.28 : 313,177.68 = 168,560.40 : x
  2. Step 2: Convert to fraction form
    208,496.28/313,177.68 = 168,560.40/x
  3. Step 3: Cross multiply
    208,496.28x = 313,177.68 × 168,560.40
  4. Step 4: Simplify right side
    208,496.28x = 52,789,355,011.87
  5. Step 5: Solve for x
    x = 52,789,355,011.87/208,496.28
  6. Step 6: Final answer
    x = 253,190.87

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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.