Home / 375,819.56-518,501.70-222,826.28

Finding the Fourth Proportional to 375,819.56, 518,501.70 and 222,826.28

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Solution

The fourth proportional to 375,819.56, 518,501.70 and 222,826.28 is: 307,423.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,819.56 : 518,501.70 = 222,826.28 : x
  2. Step 2: Convert to fraction form
    375,819.56/518,501.70 = 222,826.28/x
  3. Step 3: Cross multiply
    375,819.56x = 518,501.70 × 222,826.28
  4. Step 4: Simplify right side
    375,819.56x = 115,535,804,984.68
  5. Step 5: Solve for x
    x = 115,535,804,984.68/375,819.56
  6. Step 6: Final answer
    x = 307,423.61

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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.