Home / 226,447.48-312,500.46-130,958.20

Finding the Fourth Proportional to 226,447.48, 312,500.46 and 130,958.20

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Solution

The fourth proportional to 226,447.48, 312,500.46 and 130,958.20 is: 180,724.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,447.48 : 312,500.46 = 130,958.20 : x
  2. Step 2: Convert to fraction form
    226,447.48/312,500.46 = 130,958.20/x
  3. Step 3: Cross multiply
    226,447.48x = 312,500.46 × 130,958.20
  4. Step 4: Simplify right side
    226,447.48x = 40,924,497,740.77
  5. Step 5: Solve for x
    x = 40,924,497,740.77/226,447.48
  6. Step 6: Final answer
    x = 180,724.01

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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.