Home / 226,294.20-312,251.32-130,782.48

Finding the Fourth Proportional to 226,294.20, 312,251.32 and 130,782.48

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Solution

The fourth proportional to 226,294.20, 312,251.32 and 130,782.48 is: 180,459.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,294.20 : 312,251.32 = 130,782.48 : x
  2. Step 2: Convert to fraction form
    226,294.20/312,251.32 = 130,782.48/x
  3. Step 3: Cross multiply
    226,294.20x = 312,251.32 × 130,782.48
  4. Step 4: Simplify right side
    226,294.20x = 40,837,002,012.87
  5. Step 5: Solve for x
    x = 40,837,002,012.87/226,294.20
  6. Step 6: Final answer
    x = 180,459.78

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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.