Finding the Fourth Proportional to 203,277.38, 280,530.08 and 122,689.17
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Solution
The fourth proportional to 203,277.38, 280,530.08 and 122,689.17 is: 169,315.46
Step by Step Solution
- Step 1: Write the proportion equation
203,277.38 : 280,530.08 = 122,689.17 : x - Step 2: Convert to fraction form
203,277.38/280,530.08 = 122,689.17/x - Step 3: Cross multiply
203,277.38x = 280,530.08 × 122,689.17 - Step 4: Simplify right side
203,277.38x = 34,418,002,061.79 - Step 5: Solve for x
x = 34,418,002,061.79/203,277.38 - Step 6: Final answer
x = 169,315.46
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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.