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Finding the Fourth Proportional to 401,571.56, 554,184.09 and 220,291.13

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Solution

The fourth proportional to 401,571.56, 554,184.09 and 220,291.13 is: 304,010.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,571.56 : 554,184.09 = 220,291.13 : x
  2. Step 2: Convert to fraction form
    401,571.56/554,184.09 = 220,291.13/x
  3. Step 3: Cross multiply
    401,571.56x = 554,184.09 × 220,291.13
  4. Step 4: Simplify right side
    401,571.56x = 122,081,836,643.20
  5. Step 5: Solve for x
    x = 122,081,836,643.20/401,571.56
  6. Step 6: Final answer
    x = 304,010.17

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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.