Home / 403,881.40-557,331.18-222,583.24

Finding the Fourth Proportional to 403,881.40, 557,331.18 and 222,583.24

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Solution

The fourth proportional to 403,881.40, 557,331.18 and 222,583.24 is: 307,151.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,881.40 : 557,331.18 = 222,583.24 : x
  2. Step 2: Convert to fraction form
    403,881.40/557,331.18 = 222,583.24/x
  3. Step 3: Cross multiply
    403,881.40x = 557,331.18 × 222,583.24
  4. Step 4: Simplify right side
    403,881.40x = 124,052,579,797.42
  5. Step 5: Solve for x
    x = 124,052,579,797.42/403,881.40
  6. Step 6: Final answer
    x = 307,151.01

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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.