Finding the Fourth Proportional to 543,670.68, 815,527.62 and 169,693.68
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Solution
The fourth proportional to 543,670.68, 815,527.62 and 169,693.68 is: 254,547.26
Step by Step Solution
- Step 1: Write the proportion equation
543,670.68 : 815,527.62 = 169,693.68 : x - Step 2: Convert to fraction form
543,670.68/815,527.62 = 169,693.68/x - Step 3: Cross multiply
543,670.68x = 815,527.62 × 169,693.68 - Step 4: Simplify right side
543,670.68x = 138,389,882,979.44 - Step 5: Solve for x
x = 138,389,882,979.44/543,670.68 - Step 6: Final answer
x = 254,547.26
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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.