Home / 253,288.80-379,933.12-95,480.35

Finding the Fourth Proportional to 253,288.80, 379,933.12 and 95,480.35

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Solution

The fourth proportional to 253,288.80, 379,933.12 and 95,480.35 is: 143,220.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,288.80 : 379,933.12 = 95,480.35 : x
  2. Step 2: Convert to fraction form
    253,288.80/379,933.12 = 95,480.35/x
  3. Step 3: Cross multiply
    253,288.80x = 379,933.12 × 95,480.35
  4. Step 4: Simplify right side
    253,288.80x = 36,276,147,274.19
  5. Step 5: Solve for x
    x = 36,276,147,274.19/253,288.80
  6. Step 6: Final answer
    x = 143,220.49

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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.