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Finding the Fourth Proportional to 324,300.28, 447,500.44 and 188,307.72

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Solution

The fourth proportional to 324,300.28, 447,500.44 and 188,307.72 is: 259,844.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,300.28 : 447,500.44 = 188,307.72 : x
  2. Step 2: Convert to fraction form
    324,300.28/447,500.44 = 188,307.72/x
  3. Step 3: Cross multiply
    324,300.28x = 447,500.44 × 188,307.72
  4. Step 4: Simplify right side
    324,300.28x = 84,267,785,965.88
  5. Step 5: Solve for x
    x = 84,267,785,965.88/324,300.28
  6. Step 6: Final answer
    x = 259,844.94

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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.