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Finding the Fourth Proportional to 324,120.58, 447,309.02 and 180,883.02

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Solution

The fourth proportional to 324,120.58, 447,309.02 and 180,883.02 is: 249,631.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,120.58 : 447,309.02 = 180,883.02 : x
  2. Step 2: Convert to fraction form
    324,120.58/447,309.02 = 180,883.02/x
  3. Step 3: Cross multiply
    324,120.58x = 447,309.02 × 180,883.02
  4. Step 4: Simplify right side
    324,120.58x = 80,910,606,410.84
  5. Step 5: Solve for x
    x = 80,910,606,410.84/324,120.58
  6. Step 6: Final answer
    x = 249,631.19

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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.