Home / 401,839.79-554,521.14-220,552.07

Finding the Fourth Proportional to 401,839.79, 554,521.14 and 220,552.07

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Solution

The fourth proportional to 401,839.79, 554,521.14 and 220,552.07 is: 304,352.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,839.79 : 554,521.14 = 220,552.07 : x
  2. Step 2: Convert to fraction form
    401,839.79/554,521.14 = 220,552.07/x
  3. Step 3: Cross multiply
    401,839.79x = 554,521.14 × 220,552.07
  4. Step 4: Simplify right side
    401,839.79x = 122,300,782,513.15
  5. Step 5: Solve for x
    x = 122,300,782,513.15/401,839.79
  6. Step 6: Final answer
    x = 304,352.10

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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.