Finding the Fourth Proportional to 227,079.84, 313,394.64 and 125,115.63
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Solution
The fourth proportional to 227,079.84, 313,394.64 and 125,115.63 is: 172,673.05
Step by Step Solution
- Step 1: Write the proportion equation
227,079.84 : 313,394.64 = 125,115.63 : x - Step 2: Convert to fraction form
227,079.84/313,394.64 = 125,115.63/x - Step 3: Cross multiply
227,079.84x = 313,394.64 × 125,115.63 - Step 4: Simplify right side
227,079.84x = 39,210,567,822.22 - Step 5: Solve for x
x = 39,210,567,822.22/227,079.84 - Step 6: Final answer
x = 172,673.05
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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.