Home / 445,919.87-615,194.24-254,830.74

Finding the Fourth Proportional to 445,919.87, 615,194.24 and 254,830.74

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Solution

The fourth proportional to 445,919.87, 615,194.24 and 254,830.74 is: 351,566.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,919.87 : 615,194.24 = 254,830.74 : x
  2. Step 2: Convert to fraction form
    445,919.87/615,194.24 = 254,830.74/x
  3. Step 3: Cross multiply
    445,919.87x = 615,194.24 × 254,830.74
  4. Step 4: Simplify right side
    445,919.87x = 156,770,402,148.78
  5. Step 5: Solve for x
    x = 156,770,402,148.78/445,919.87
  6. Step 6: Final answer
    x = 351,566.31

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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.