Home / 260,960.87-360,299.49-200,423.34

Finding the Fourth Proportional to 260,960.87, 360,299.49 and 200,423.34

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Solution

The fourth proportional to 260,960.87, 360,299.49 and 200,423.34 is: 276,717.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,960.87 : 360,299.49 = 200,423.34 : x
  2. Step 2: Convert to fraction form
    260,960.87/360,299.49 = 200,423.34/x
  3. Step 3: Cross multiply
    260,960.87x = 360,299.49 × 200,423.34
  4. Step 4: Simplify right side
    260,960.87x = 72,212,427,186.10
  5. Step 5: Solve for x
    x = 72,212,427,186.10/260,960.87
  6. Step 6: Final answer
    x = 276,717.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.