Home / 404,238.51-557,851.80-222,955.35

Finding the Fourth Proportional to 404,238.51, 557,851.80 and 222,955.35

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Solution

The fourth proportional to 404,238.51, 557,851.80 and 222,955.35 is: 307,679.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,238.51 : 557,851.80 = 222,955.35 : x
  2. Step 2: Convert to fraction form
    404,238.51/557,851.80 = 222,955.35/x
  3. Step 3: Cross multiply
    404,238.51x = 557,851.80 × 222,955.35
  4. Step 4: Simplify right side
    404,238.51x = 124,376,043,317.13
  5. Step 5: Solve for x
    x = 124,376,043,317.13/404,238.51
  6. Step 6: Final answer
    x = 307,679.85

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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.