Finding the Fourth Proportional to 324,967.68, 448,517.39 and 217,724.70
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Solution
The fourth proportional to 324,967.68, 448,517.39 and 217,724.70 is: 300,501.62
Step by Step Solution
- Step 1: Write the proportion equation
324,967.68 : 448,517.39 = 217,724.70 : x - Step 2: Convert to fraction form
324,967.68/448,517.39 = 217,724.70/x - Step 3: Cross multiply
324,967.68x = 448,517.39 × 217,724.70 - Step 4: Simplify right side
324,967.68x = 97,653,314,182.53 - Step 5: Solve for x
x = 97,653,314,182.53/324,967.68 - Step 6: Final answer
x = 300,501.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.