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Finding the Fourth Proportional to 415,160.62, 620,466.22 and 303,076.86

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Solution

The fourth proportional to 415,160.62, 620,466.22 and 303,076.86 is: 452,954.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,160.62 : 620,466.22 = 303,076.86 : x
  2. Step 2: Convert to fraction form
    415,160.62/620,466.22 = 303,076.86/x
  3. Step 3: Cross multiply
    415,160.62x = 620,466.22 × 303,076.86
  4. Step 4: Simplify right side
    415,160.62x = 188,048,953,693.67
  5. Step 5: Solve for x
    x = 188,048,953,693.67/415,160.62
  6. Step 6: Final answer
    x = 452,954.70

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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.