Home / 376,107.21-519,065.28-214,985.52

Finding the Fourth Proportional to 376,107.21, 519,065.28 and 214,985.52

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Solution

The fourth proportional to 376,107.21, 519,065.28 and 214,985.52 is: 296,701.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,107.21 : 519,065.28 = 214,985.52 : x
  2. Step 2: Convert to fraction form
    376,107.21/519,065.28 = 214,985.52/x
  3. Step 3: Cross multiply
    376,107.21x = 519,065.28 × 214,985.52
  4. Step 4: Simplify right side
    376,107.21x = 111,591,519,134.75
  5. Step 5: Solve for x
    x = 111,591,519,134.75/376,107.21
  6. Step 6: Final answer
    x = 296,701.36

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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.