Home / 401,577.44-554,083.84-240,371.20

Finding the Fourth Proportional to 401,577.44, 554,083.84 and 240,371.20

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Solution

The fourth proportional to 401,577.44, 554,083.84 and 240,371.20 is: 331,656.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,577.44 : 554,083.84 = 240,371.20 : x
  2. Step 2: Convert to fraction form
    401,577.44/554,083.84 = 240,371.20/x
  3. Step 3: Cross multiply
    401,577.44x = 554,083.84 × 240,371.20
  4. Step 4: Simplify right side
    401,577.44x = 133,185,797,521.41
  5. Step 5: Solve for x
    x = 133,185,797,521.41/401,577.44
  6. Step 6: Final answer
    x = 331,656.57

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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.