Home / 403,851.47-557,318.79-222,570.02

Finding the Fourth Proportional to 403,851.47, 557,318.79 and 222,570.02

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Solution

The fourth proportional to 403,851.47, 557,318.79 and 222,570.02 is: 307,148.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,851.47 : 557,318.79 = 222,570.02 : x
  2. Step 2: Convert to fraction form
    403,851.47/557,318.79 = 222,570.02/x
  3. Step 3: Cross multiply
    403,851.47x = 557,318.79 × 222,570.02
  4. Step 4: Simplify right side
    403,851.47x = 124,042,451,450.08
  5. Step 5: Solve for x
    x = 124,042,451,450.08/403,851.47
  6. Step 6: Final answer
    x = 307,148.70

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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.