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Finding the Fourth Proportional to 606,522.90, 909,456.30 and 251,572.80

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Solution

The fourth proportional to 606,522.90, 909,456.30 and 251,572.80 is: 377,223.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,522.90 : 909,456.30 = 251,572.80 : x
  2. Step 2: Convert to fraction form
    606,522.90/909,456.30 = 251,572.80/x
  3. Step 3: Cross multiply
    606,522.90x = 909,456.30 × 251,572.80
  4. Step 4: Simplify right side
    606,522.90x = 228,794,467,868.64
  5. Step 5: Solve for x
    x = 228,794,467,868.64/606,522.90
  6. Step 6: Final answer
    x = 377,223.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.