Finding the Fourth Proportional to 226,124.24, 312,028.32 and 130,661.68
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Solution
The fourth proportional to 226,124.24, 312,028.32 and 130,661.68 is: 180,299.75
Step by Step Solution
- Step 1: Write the proportion equation
226,124.24 : 312,028.32 = 130,661.68 : x - Step 2: Convert to fraction form
226,124.24/312,028.32 = 130,661.68/x - Step 3: Cross multiply
226,124.24x = 312,028.32 × 130,661.68 - Step 4: Simplify right side
226,124.24x = 40,770,144,498.78 - Step 5: Solve for x
x = 40,770,144,498.78/226,124.24 - Step 6: Final answer
x = 180,299.75
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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.