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Finding the Fourth Proportional to 324,149.94, 447,308.71 and 180,919.22

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Solution

The fourth proportional to 324,149.94, 447,308.71 and 180,919.22 is: 249,658.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,149.94 : 447,308.71 = 180,919.22 : x
  2. Step 2: Convert to fraction form
    324,149.94/447,308.71 = 180,919.22/x
  3. Step 3: Cross multiply
    324,149.94x = 447,308.71 × 180,919.22
  4. Step 4: Simplify right side
    324,149.94x = 80,926,740,223.56
  5. Step 5: Solve for x
    x = 80,926,740,223.56/324,149.94
  6. Step 6: Final answer
    x = 249,658.35

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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.