Home / 445,970.28-615,556.98-276,107.88

Finding the Fourth Proportional to 445,970.28, 615,556.98 and 276,107.88

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Solution

The fourth proportional to 445,970.28, 615,556.98 and 276,107.88 is: 381,101.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,970.28 : 615,556.98 = 276,107.88 : x
  2. Step 2: Convert to fraction form
    445,970.28/615,556.98 = 276,107.88/x
  3. Step 3: Cross multiply
    445,970.28x = 615,556.98 × 276,107.88
  4. Step 4: Simplify right side
    445,970.28x = 169,960,132,767.00
  5. Step 5: Solve for x
    x = 169,960,132,767.00/445,970.28
  6. Step 6: Final answer
    x = 381,101.93

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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.