Finding the Fourth Proportional to 438,517.64, 605,154.10 and 247,532.68
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Solution
The fourth proportional to 438,517.64, 605,154.10 and 247,532.68 is: 341,594.96
Step by Step Solution
- Step 1: Write the proportion equation
438,517.64 : 605,154.10 = 247,532.68 : x - Step 2: Convert to fraction form
438,517.64/605,154.10 = 247,532.68/x - Step 3: Cross multiply
438,517.64x = 605,154.10 × 247,532.68 - Step 4: Simplify right side
438,517.64x = 149,795,416,185.99 - Step 5: Solve for x
x = 149,795,416,185.99/438,517.64 - Step 6: Final answer
x = 341,594.96
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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.