Home / 445,945.51-615,405.22-254,962.90

Finding the Fourth Proportional to 445,945.51, 615,405.22 and 254,962.90

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Solution

The fourth proportional to 445,945.51, 615,405.22 and 254,962.90 is: 351,849.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,945.51 : 615,405.22 = 254,962.90 : x
  2. Step 2: Convert to fraction form
    445,945.51/615,405.22 = 254,962.90/x
  3. Step 3: Cross multiply
    445,945.51x = 615,405.22 × 254,962.90
  4. Step 4: Simplify right side
    445,945.51x = 156,905,498,346.53
  5. Step 5: Solve for x
    x = 156,905,498,346.53/445,945.51
  6. Step 6: Final answer
    x = 351,849.04

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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.