Home / 226,728.40-340,438.20-133,416.40

Finding the Fourth Proportional to 226,728.40, 340,438.20 and 133,416.40

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Solution

The fourth proportional to 226,728.40, 340,438.20 and 133,416.40 is: 200,327.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,728.40 : 340,438.20 = 133,416.40 : x
  2. Step 2: Convert to fraction form
    226,728.40/340,438.20 = 133,416.40/x
  3. Step 3: Cross multiply
    226,728.40x = 340,438.20 × 133,416.40
  4. Step 4: Simplify right side
    226,728.40x = 45,420,039,066.48
  5. Step 5: Solve for x
    x = 45,420,039,066.48/226,728.40
  6. Step 6: Final answer
    x = 200,327.97

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1.5x scale

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.