Home / 401,468.07-553,975.36-220,132.29

Finding the Fourth Proportional to 401,468.07, 553,975.36 and 220,132.29

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Solution

The fourth proportional to 401,468.07, 553,975.36 and 220,132.29 is: 303,754.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,468.07 : 553,975.36 = 220,132.29 : x
  2. Step 2: Convert to fraction form
    401,468.07/553,975.36 = 220,132.29/x
  3. Step 3: Cross multiply
    401,468.07x = 553,975.36 × 220,132.29
  4. Step 4: Simplify right side
    401,468.07x = 121,947,864,600.37
  5. Step 5: Solve for x
    x = 121,947,864,600.37/401,468.07
  6. Step 6: Final answer
    x = 303,754.83

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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.