Home / 253,923.23-350,439.12-145,043.84

Finding the Fourth Proportional to 253,923.23, 350,439.12 and 145,043.84

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Solution

The fourth proportional to 253,923.23, 350,439.12 and 145,043.84 is: 200,174.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,923.23 : 350,439.12 = 145,043.84 : x
  2. Step 2: Convert to fraction form
    253,923.23/350,439.12 = 145,043.84/x
  3. Step 3: Cross multiply
    253,923.23x = 350,439.12 × 145,043.84
  4. Step 4: Simplify right side
    253,923.23x = 50,829,035,212.97
  5. Step 5: Solve for x
    x = 50,829,035,212.97/253,923.23
  6. Step 6: Final answer
    x = 200,174.81

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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.