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Finding the Fourth Proportional to 504,446.86, 756,684.29 and 125,352.28

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Solution

The fourth proportional to 504,446.86, 756,684.29 and 125,352.28 is: 188,031.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,446.86 : 756,684.29 = 125,352.28 : x
  2. Step 2: Convert to fraction form
    504,446.86/756,684.29 = 125,352.28/x
  3. Step 3: Cross multiply
    504,446.86x = 756,684.29 × 125,352.28
  4. Step 4: Simplify right side
    504,446.86x = 94,852,100,991.68
  5. Step 5: Solve for x
    x = 94,852,100,991.68/504,446.86
  6. Step 6: Final answer
    x = 188,031.90

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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.