Finding the Fourth Proportional to 459,517.68, 634,130.87 and 252,781.63
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Solution
The fourth proportional to 459,517.68, 634,130.87 and 252,781.63 is: 348,836.70
Step by Step Solution
- Step 1: Write the proportion equation
459,517.68 : 634,130.87 = 252,781.63 : x - Step 2: Convert to fraction form
459,517.68/634,130.87 = 252,781.63/x - Step 3: Cross multiply
459,517.68x = 634,130.87 × 252,781.63 - Step 4: Simplify right side
459,517.68x = 160,296,632,102.68 - Step 5: Solve for x
x = 160,296,632,102.68/459,517.68 - Step 6: Final answer
x = 348,836.70
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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.