Finding the Fourth Proportional to 227,106.47, 313,431.44 and 125,142.18
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Solution
The fourth proportional to 227,106.47, 313,431.44 and 125,142.18 is: 172,709.71
Step by Step Solution
- Step 1: Write the proportion equation
227,106.47 : 313,431.44 = 125,142.18 : x - Step 2: Convert to fraction form
227,106.47/313,431.44 = 125,142.18/x - Step 3: Cross multiply
227,106.47x = 313,431.44 × 125,142.18 - Step 4: Simplify right side
227,106.47x = 39,223,493,682.14 - Step 5: Solve for x
x = 39,223,493,682.14/227,106.47 - Step 6: Final answer
x = 172,709.71
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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.