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Finding the Fourth Proportional to 375,367.91, 518,014.44 and 205,591.10

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Solution

The fourth proportional to 375,367.91, 518,014.44 and 205,591.10 is: 283,719.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,367.91 : 518,014.44 = 205,591.10 : x
  2. Step 2: Convert to fraction form
    375,367.91/518,014.44 = 205,591.10/x
  3. Step 3: Cross multiply
    375,367.91x = 518,014.44 × 205,591.10
  4. Step 4: Simplify right side
    375,367.91x = 106,499,155,945.41
  5. Step 5: Solve for x
    x = 106,499,155,945.41/375,367.91
  6. Step 6: Final answer
    x = 283,719.40

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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.