Finding the Fourth Proportional to 415,716.48, 573,844.75 and 272,485.75
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Solution
The fourth proportional to 415,716.48, 573,844.75 and 272,485.75 is: 376,132.59
Step by Step Solution
- Step 1: Write the proportion equation
415,716.48 : 573,844.75 = 272,485.75 : x - Step 2: Convert to fraction form
415,716.48/573,844.75 = 272,485.75/x - Step 3: Cross multiply
415,716.48x = 573,844.75 × 272,485.75 - Step 4: Simplify right side
415,716.48x = 156,364,517,087.31 - Step 5: Solve for x
x = 156,364,517,087.31/415,716.48 - Step 6: Final answer
x = 376,132.59
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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.