Home / 276,819.62-382,011.08-149,495.22

Finding the Fourth Proportional to 276,819.62, 382,011.08 and 149,495.22

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Solution

The fourth proportional to 276,819.62, 382,011.08 and 149,495.22 is: 206,303.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,819.62 : 382,011.08 = 149,495.22 : x
  2. Step 2: Convert to fraction form
    276,819.62/382,011.08 = 149,495.22/x
  3. Step 3: Cross multiply
    276,819.62x = 382,011.08 × 149,495.22
  4. Step 4: Simplify right side
    276,819.62x = 57,108,829,699.56
  5. Step 5: Solve for x
    x = 57,108,829,699.56/276,819.62
  6. Step 6: Final answer
    x = 206,303.41

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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.