Home / 262,206.40-393,311.76-75,223.84

Finding the Fourth Proportional to 262,206.40, 393,311.76 and 75,223.84

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Solution

The fourth proportional to 262,206.40, 393,311.76 and 75,223.84 is: 112,836.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,206.40 : 393,311.76 = 75,223.84 : x
  2. Step 2: Convert to fraction form
    262,206.40/393,311.76 = 75,223.84/x
  3. Step 3: Cross multiply
    262,206.40x = 393,311.76 × 75,223.84
  4. Step 4: Simplify right side
    262,206.40x = 29,586,420,904.36
  5. Step 5: Solve for x
    x = 29,586,420,904.36/262,206.40
  6. Step 6: Final answer
    x = 112,836.38

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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.