Home / 445,961.28-615,415.38-254,962.46

Finding the Fourth Proportional to 445,961.28, 615,415.38 and 254,962.46

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Solution

The fourth proportional to 445,961.28, 615,415.38 and 254,962.46 is: 351,841.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,961.28 : 615,415.38 = 254,962.46 : x
  2. Step 2: Convert to fraction form
    445,961.28/615,415.38 = 254,962.46/x
  3. Step 3: Cross multiply
    445,961.28x = 615,415.38 × 254,962.46
  4. Step 4: Simplify right side
    445,961.28x = 156,907,819,206.64
  5. Step 5: Solve for x
    x = 156,907,819,206.64/445,961.28
  6. Step 6: Final answer
    x = 351,841.80

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1.5x scale

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.