Finding the Fourth Proportional to 115,654.64, 173,531.16 and 49,109.09
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Solution
The fourth proportional to 115,654.64, 173,531.16 and 49,109.09 is: 73,684.52
Step by Step Solution
- Step 1: Write the proportion equation
115,654.64 : 173,531.16 = 49,109.09 : x - Step 2: Convert to fraction form
115,654.64/173,531.16 = 49,109.09/x - Step 3: Cross multiply
115,654.64x = 173,531.16 × 49,109.09 - Step 4: Simplify right side
115,654.64x = 8,521,956,486.59 - Step 5: Solve for x
x = 8,521,956,486.59/115,654.64 - Step 6: Final answer
x = 73,684.52
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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.