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Finding the Fourth Proportional to 323,632.26, 482,977.08 and 288,202.86

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Solution

The fourth proportional to 323,632.26, 482,977.08 and 288,202.86 is: 430,103.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,632.26 : 482,977.08 = 288,202.86 : x
  2. Step 2: Convert to fraction form
    323,632.26/482,977.08 = 288,202.86/x
  3. Step 3: Cross multiply
    323,632.26x = 482,977.08 × 288,202.86
  4. Step 4: Simplify right side
    323,632.26x = 139,195,375,770.45
  5. Step 5: Solve for x
    x = 139,195,375,770.45/323,632.26
  6. Step 6: Final answer
    x = 430,103.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.