Finding the Fourth Proportional to 229,143.05, 316,145.87 and 132,334.49
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Solution
The fourth proportional to 229,143.05, 316,145.87 and 132,334.49 is: 182,580.28
Step by Step Solution
- Step 1: Write the proportion equation
229,143.05 : 316,145.87 = 132,334.49 : x - Step 2: Convert to fraction form
229,143.05/316,145.87 = 132,334.49/x - Step 3: Cross multiply
229,143.05x = 316,145.87 × 132,334.49 - Step 4: Simplify right side
229,143.05x = 41,837,001,810.38 - Step 5: Solve for x
x = 41,837,001,810.38/229,143.05 - Step 6: Final answer
x = 182,580.28
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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.