Home / 315,795.39-435,797.19-179,829.36

Finding the Fourth Proportional to 315,795.39, 435,797.19 and 179,829.36

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Solution

The fourth proportional to 315,795.39, 435,797.19 and 179,829.36 is: 248,164.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,795.39 : 435,797.19 = 179,829.36 : x
  2. Step 2: Convert to fraction form
    315,795.39/435,797.19 = 179,829.36/x
  3. Step 3: Cross multiply
    315,795.39x = 435,797.19 × 179,829.36
  4. Step 4: Simplify right side
    315,795.39x = 78,369,129,767.50
  5. Step 5: Solve for x
    x = 78,369,129,767.50/315,795.39
  6. Step 6: Final answer
    x = 248,164.26

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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.