Home / 445,958.38-615,422.96-242,009.30

Finding the Fourth Proportional to 445,958.38, 615,422.96 and 242,009.30

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Solution

The fourth proportional to 445,958.38, 615,422.96 and 242,009.30 is: 333,973.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,958.38 : 615,422.96 = 242,009.30 : x
  2. Step 2: Convert to fraction form
    445,958.38/615,422.96 = 242,009.30/x
  3. Step 3: Cross multiply
    445,958.38x = 615,422.96 × 242,009.30
  4. Step 4: Simplify right side
    445,958.38x = 148,938,078,543.48
  5. Step 5: Solve for x
    x = 148,938,078,543.48/445,958.38
  6. Step 6: Final answer
    x = 333,973.05

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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.