Finding the Fourth Proportional to 203,963.77, 305,840.61 and 91,547.62
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Solution
The fourth proportional to 203,963.77, 305,840.61 and 91,547.62 is: 137,274.28
Step by Step Solution
- Step 1: Write the proportion equation
203,963.77 : 305,840.61 = 91,547.62 : x - Step 2: Convert to fraction form
203,963.77/305,840.61 = 91,547.62/x - Step 3: Cross multiply
203,963.77x = 305,840.61 × 91,547.62 - Step 4: Simplify right side
203,963.77x = 27,998,979,180.25 - Step 5: Solve for x
x = 27,998,979,180.25/203,963.77 - Step 6: Final answer
x = 137,274.28
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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.