Home / 228,295.09-315,019.62-131,530.60

Finding the Fourth Proportional to 228,295.09, 315,019.62 and 131,530.60

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Solution

The fourth proportional to 228,295.09, 315,019.62 and 131,530.60 is: 181,496.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,295.09 : 315,019.62 = 131,530.60 : x
  2. Step 2: Convert to fraction form
    228,295.09/315,019.62 = 131,530.60/x
  3. Step 3: Cross multiply
    228,295.09x = 315,019.62 × 131,530.60
  4. Step 4: Simplify right side
    228,295.09x = 41,434,719,630.37
  5. Step 5: Solve for x
    x = 41,434,719,630.37/228,295.09
  6. Step 6: Final answer
    x = 181,496.32

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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.