Home / 401,895.06-554,616.38-220,625.56

Finding the Fourth Proportional to 401,895.06, 554,616.38 and 220,625.56

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Solution

The fourth proportional to 401,895.06, 554,616.38 and 220,625.56 is: 304,463.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,895.06 : 554,616.38 = 220,625.56 : x
  2. Step 2: Convert to fraction form
    401,895.06/554,616.38 = 220,625.56/x
  3. Step 3: Cross multiply
    401,895.06x = 554,616.38 × 220,625.56
  4. Step 4: Simplify right side
    401,895.06x = 122,362,549,422.67
  5. Step 5: Solve for x
    x = 122,362,549,422.67/401,895.06
  6. Step 6: Final answer
    x = 304,463.93

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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.