Home / 251,132.10-376,579.35-145,983.30

Finding the Fourth Proportional to 251,132.10, 376,579.35 and 145,983.30

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Solution

The fourth proportional to 251,132.10, 376,579.35 and 145,983.30 is: 218,905.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,132.10 : 376,579.35 = 145,983.30 : x
  2. Step 2: Convert to fraction form
    251,132.10/376,579.35 = 145,983.30/x
  3. Step 3: Cross multiply
    251,132.10x = 376,579.35 × 145,983.30
  4. Step 4: Simplify right side
    251,132.10x = 54,974,296,224.86
  5. Step 5: Solve for x
    x = 54,974,296,224.86/251,132.10
  6. Step 6: Final answer
    x = 218,905.89

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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.