Finding the Fourth Proportional to 543,949.96, 815,924.79 and 169,972.96
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Solution
The fourth proportional to 543,949.96, 815,924.79 and 169,972.96 is: 254,959.39
Step by Step Solution
- Step 1: Write the proportion equation
543,949.96 : 815,924.79 = 169,972.96 : x - Step 2: Convert to fraction form
543,949.96/815,924.79 = 169,972.96/x - Step 3: Cross multiply
543,949.96x = 815,924.79 × 169,972.96 - Step 4: Simplify right side
543,949.96x = 138,685,151,693.68 - Step 5: Solve for x
x = 138,685,151,693.68/543,949.96 - Step 6: Final answer
x = 254,959.39
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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.