Finding the Fourth Proportional to 115,606.49, 173,412.81 and 40,709.61
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Solution
The fourth proportional to 115,606.49, 173,412.81 and 40,709.61 is: 61,065.50
Step by Step Solution
- Step 1: Write the proportion equation
115,606.49 : 173,412.81 = 40,709.61 : x - Step 2: Convert to fraction form
115,606.49/173,412.81 = 40,709.61/x - Step 3: Cross multiply
115,606.49x = 173,412.81 × 40,709.61 - Step 4: Simplify right side
115,606.49x = 7,059,567,864.10 - Step 5: Solve for x
x = 7,059,567,864.10/115,606.49 - Step 6: Final answer
x = 61,065.50
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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.