Home / 289,934.37-434,797.34-100,343.27

Finding the Fourth Proportional to 289,934.37, 434,797.34 and 100,343.27

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Solution

The fourth proportional to 289,934.37, 434,797.34 and 100,343.27 is: 150,478.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,934.37 : 434,797.34 = 100,343.27 : x
  2. Step 2: Convert to fraction form
    289,934.37/434,797.34 = 100,343.27/x
  3. Step 3: Cross multiply
    289,934.37x = 434,797.34 × 100,343.27
  4. Step 4: Simplify right side
    289,934.37x = 43,628,986,882.90
  5. Step 5: Solve for x
    x = 43,628,986,882.90/289,934.37
  6. Step 6: Final answer
    x = 150,478.84

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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.