Finding the Fourth Proportional to 115,736.51, 173,560.73 and 40,842.70
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Solution
The fourth proportional to 115,736.51, 173,560.73 and 40,842.70 is: 61,248.50
Step by Step Solution
- Step 1: Write the proportion equation
115,736.51 : 173,560.73 = 40,842.70 : x - Step 2: Convert to fraction form
115,736.51/173,560.73 = 40,842.70/x - Step 3: Cross multiply
115,736.51x = 173,560.73 × 40,842.70 - Step 4: Simplify right side
115,736.51x = 7,088,688,189.06 - Step 5: Solve for x
x = 7,088,688,189.06/115,736.51 - Step 6: Final answer
x = 61,248.50
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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.