Finding the Fourth Proportional to 348,716.20, 522,575.26 and 198,646.80
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Solution
The fourth proportional to 348,716.20, 522,575.26 and 198,646.80 is: 297,685.92
Step by Step Solution
- Step 1: Write the proportion equation
348,716.20 : 522,575.26 = 198,646.80 : x - Step 2: Convert to fraction form
348,716.20/522,575.26 = 198,646.80/x - Step 3: Cross multiply
348,716.20x = 522,575.26 × 198,646.80 - Step 4: Simplify right side
348,716.20x = 103,807,903,158.17 - Step 5: Solve for x
x = 103,807,903,158.17/348,716.20 - Step 6: Final answer
x = 297,685.92
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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.