Finding the Fourth Proportional to 543,699.14, 815,340.84 and 178,875.84
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Solution
The fourth proportional to 543,699.14, 815,340.84 and 178,875.84 is: 268,245.38
Step by Step Solution
- Step 1: Write the proportion equation
543,699.14 : 815,340.84 = 178,875.84 : x - Step 2: Convert to fraction form
543,699.14/815,340.84 = 178,875.84/x - Step 3: Cross multiply
543,699.14x = 815,340.84 × 178,875.84 - Step 4: Simplify right side
543,699.14x = 145,844,780,028.05 - Step 5: Solve for x
x = 145,844,780,028.05/543,699.14 - Step 6: Final answer
x = 268,245.38
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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.