Home / 226,380.64-339,698.40-208,534.72

Finding the Fourth Proportional to 226,380.64, 339,698.40 and 208,534.72

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Solution

The fourth proportional to 226,380.64, 339,698.40 and 208,534.72 is: 312,919.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,380.64 : 339,698.40 = 208,534.72 : x
  2. Step 2: Convert to fraction form
    226,380.64/339,698.40 = 208,534.72/x
  3. Step 3: Cross multiply
    226,380.64x = 339,698.40 × 208,534.72
  4. Step 4: Simplify right side
    226,380.64x = 70,838,910,728.45
  5. Step 5: Solve for x
    x = 70,838,910,728.45/226,380.64
  6. Step 6: Final answer
    x = 312,919.47

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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.