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Finding the Fourth Proportional to 505,628.61, 758,552.28 and 150,671.22

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Solution

The fourth proportional to 505,628.61, 758,552.28 and 150,671.22 is: 226,039.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,628.61 : 758,552.28 = 150,671.22 : x
  2. Step 2: Convert to fraction form
    505,628.61/758,552.28 = 150,671.22/x
  3. Step 3: Cross multiply
    505,628.61x = 758,552.28 × 150,671.22
  4. Step 4: Simplify right side
    505,628.61x = 114,291,993,668.62
  5. Step 5: Solve for x
    x = 114,291,993,668.62/505,628.61
  6. Step 6: Final answer
    x = 226,039.41

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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.