Home / 445,956.26-615,420.05-254,973.65

Finding the Fourth Proportional to 445,956.26, 615,420.05 and 254,973.65

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Solution

The fourth proportional to 445,956.26, 615,420.05 and 254,973.65 is: 351,863.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,956.26 : 615,420.05 = 254,973.65 : x
  2. Step 2: Convert to fraction form
    445,956.26/615,420.05 = 254,973.65/x
  3. Step 3: Cross multiply
    445,956.26x = 615,420.05 × 254,973.65
  4. Step 4: Simplify right side
    445,956.26x = 156,915,896,431.68
  5. Step 5: Solve for x
    x = 156,915,896,431.68/445,956.26
  6. Step 6: Final answer
    x = 351,863.87

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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.