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Finding the Fourth Proportional to 482,453.72, 665,350.25 and 301,182.40

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Solution

The fourth proportional to 482,453.72, 665,350.25 and 301,182.40 is: 415,359.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,453.72 : 665,350.25 = 301,182.40 : x
  2. Step 2: Convert to fraction form
    482,453.72/665,350.25 = 301,182.40/x
  3. Step 3: Cross multiply
    482,453.72x = 665,350.25 × 301,182.40
  4. Step 4: Simplify right side
    482,453.72x = 200,391,786,155.53
  5. Step 5: Solve for x
    x = 200,391,786,155.53/482,453.72
  6. Step 6: Final answer
    x = 415,359.61

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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.