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Finding the Fourth Proportional to 451,514, 623,108.76 and 250,310

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Solution

The fourth proportional to 451,514, 623,108.76 and 250,310 is: 345,438.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,514 : 623,108.76 = 250,310 : x
  2. Step 2: Convert to fraction form
    451,514/623,108.76 = 250,310/x
  3. Step 3: Cross multiply
    451,514x = 623,108.76 × 250,310
  4. Step 4: Simplify right side
    451,514x = 155,970,353,715.60
  5. Step 5: Solve for x
    x = 155,970,353,715.60/451,514
  6. Step 6: Final answer
    x = 345,438.58

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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.