Home / 253,579.29-379,765.21-146,738.02

Finding the Fourth Proportional to 253,579.29, 379,765.21 and 146,738.02

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Solution

The fourth proportional to 253,579.29, 379,765.21 and 146,738.02 is: 219,757.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,579.29 : 379,765.21 = 146,738.02 : x
  2. Step 2: Convert to fraction form
    253,579.29/379,765.21 = 146,738.02/x
  3. Step 3: Cross multiply
    253,579.29x = 379,765.21 × 146,738.02
  4. Step 4: Simplify right side
    253,579.29x = 55,725,996,035.64
  5. Step 5: Solve for x
    x = 55,725,996,035.64/253,579.29
  6. Step 6: Final answer
    x = 219,757.67

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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.