Finding the Fourth Proportional to 118,208.51, 177,212.96 and 54,995.99
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Solution
The fourth proportional to 118,208.51, 177,212.96 and 54,995.99 is: 82,447.55
Step by Step Solution
- Step 1: Write the proportion equation
118,208.51 : 177,212.96 = 54,995.99 : x - Step 2: Convert to fraction form
118,208.51/177,212.96 = 54,995.99/x - Step 3: Cross multiply
118,208.51x = 177,212.96 × 54,995.99 - Step 4: Simplify right side
118,208.51x = 9,746,001,901.05 - Step 5: Solve for x
x = 9,746,001,901.05/118,208.51 - Step 6: Final answer
x = 82,447.55
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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.