Finding the Fourth Proportional to 428,911.60, 591,850.26 and 237,877.12
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Solution
The fourth proportional to 428,911.60, 591,850.26 and 237,877.12 is: 328,243.94
Step by Step Solution
- Step 1: Write the proportion equation
428,911.60 : 591,850.26 = 237,877.12 : x - Step 2: Convert to fraction form
428,911.60/591,850.26 = 237,877.12/x - Step 3: Cross multiply
428,911.60x = 591,850.26 × 237,877.12 - Step 4: Simplify right side
428,911.60x = 140,787,635,320.05 - Step 5: Solve for x
x = 140,787,635,320.05/428,911.60 - Step 6: Final answer
x = 328,243.94
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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.