Home / 375,286.37-517,887.78-214,115.40

Finding the Fourth Proportional to 375,286.37, 517,887.78 and 214,115.40

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Solution

The fourth proportional to 375,286.37, 517,887.78 and 214,115.40 is: 295,475.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,286.37 : 517,887.78 = 214,115.40 : x
  2. Step 2: Convert to fraction form
    375,286.37/517,887.78 = 214,115.40/x
  3. Step 3: Cross multiply
    375,286.37x = 517,887.78 × 214,115.40
  4. Step 4: Simplify right side
    375,286.37x = 110,887,748,366.88
  5. Step 5: Solve for x
    x = 110,887,748,366.88/375,286.37
  6. Step 6: Final answer
    x = 295,475.03

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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.