Finding the Fourth Proportional to 305,691.70, 458,537.55 and 165,723.70
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Solution
The fourth proportional to 305,691.70, 458,537.55 and 165,723.70 is: 248,585.55
Step by Step Solution
- Step 1: Write the proportion equation
305,691.70 : 458,537.55 = 165,723.70 : x - Step 2: Convert to fraction form
305,691.70/458,537.55 = 165,723.70/x - Step 3: Cross multiply
305,691.70x = 458,537.55 × 165,723.70 - Step 4: Simplify right side
305,691.70x = 75,990,539,374.94 - Step 5: Solve for x
x = 75,990,539,374.94/305,691.70 - Step 6: Final answer
x = 248,585.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.