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Finding the Fourth Proportional to 625,546, 938,491.80 and 182,314

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Solution

The fourth proportional to 625,546, 938,491.80 and 182,314 is: 273,521.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,546 : 938,491.80 = 182,314 : x
  2. Step 2: Convert to fraction form
    625,546/938,491.80 = 182,314/x
  3. Step 3: Cross multiply
    625,546x = 938,491.80 × 182,314
  4. Step 4: Simplify right side
    625,546x = 171,100,194,025.20
  5. Step 5: Solve for x
    x = 171,100,194,025.20/625,546
  6. Step 6: Final answer
    x = 273,521.36

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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.