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Finding the Fourth Proportional to 487,093.02, 730,712.25 and 150,105.66

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Solution

The fourth proportional to 487,093.02, 730,712.25 and 150,105.66 is: 225,180.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,093.02 : 730,712.25 = 150,105.66 : x
  2. Step 2: Convert to fraction form
    487,093.02/730,712.25 = 150,105.66/x
  3. Step 3: Cross multiply
    487,093.02x = 730,712.25 × 150,105.66
  4. Step 4: Simplify right side
    487,093.02x = 109,684,044,556.34
  5. Step 5: Solve for x
    x = 109,684,044,556.34/487,093.02
  6. Step 6: Final answer
    x = 225,180.90

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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.