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Finding the Fourth Proportional to 375,969.25, 518,841.59 and 203,887.54

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Solution

The fourth proportional to 375,969.25, 518,841.59 and 203,887.54 is: 281,366.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,969.25 : 518,841.59 = 203,887.54 : x
  2. Step 2: Convert to fraction form
    375,969.25/518,841.59 = 203,887.54/x
  3. Step 3: Cross multiply
    375,969.25x = 518,841.59 × 203,887.54
  4. Step 4: Simplify right side
    375,969.25x = 105,785,334,415.35
  5. Step 5: Solve for x
    x = 105,785,334,415.35/375,969.25
  6. Step 6: Final answer
    x = 281,366.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.