Home / 290,132.62-435,322.77-163,867.66

Finding the Fourth Proportional to 290,132.62, 435,322.77 and 163,867.66

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Solution

The fourth proportional to 290,132.62, 435,322.77 and 163,867.66 is: 245,871.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,132.62 : 435,322.77 = 163,867.66 : x
  2. Step 2: Convert to fraction form
    290,132.62/435,322.77 = 163,867.66/x
  3. Step 3: Cross multiply
    290,132.62x = 435,322.77 × 163,867.66
  4. Step 4: Simplify right side
    290,132.62x = 71,335,323,664.62
  5. Step 5: Solve for x
    x = 71,335,323,664.62/290,132.62
  6. Step 6: Final answer
    x = 245,871.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.