Home / 403,695.09-557,096.64-222,402.81

Finding the Fourth Proportional to 403,695.09, 557,096.64 and 222,402.81

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Solution

The fourth proportional to 403,695.09, 557,096.64 and 222,402.81 is: 306,914.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,695.09 : 557,096.64 = 222,402.81 : x
  2. Step 2: Convert to fraction form
    403,695.09/557,096.64 = 222,402.81/x
  3. Step 3: Cross multiply
    403,695.09x = 557,096.64 × 222,402.81
  4. Step 4: Simplify right side
    403,695.09x = 123,899,859,432.66
  5. Step 5: Solve for x
    x = 123,899,859,432.66/403,695.09
  6. Step 6: Final answer
    x = 306,914.46

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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.