Home / 400,066.43-552,086.36-227,994.64

Finding the Fourth Proportional to 400,066.43, 552,086.36 and 227,994.64

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Solution

The fourth proportional to 400,066.43, 552,086.36 and 227,994.64 is: 314,629.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,066.43 : 552,086.36 = 227,994.64 : x
  2. Step 2: Convert to fraction form
    400,066.43/552,086.36 = 227,994.64/x
  3. Step 3: Cross multiply
    400,066.43x = 552,086.36 × 227,994.64
  4. Step 4: Simplify right side
    400,066.43x = 125,872,730,897.11
  5. Step 5: Solve for x
    x = 125,872,730,897.11/400,066.43
  6. Step 6: Final answer
    x = 314,629.58

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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.