Finding the Fourth Proportional to 203,376.78, 304,941.99 and 91,036.02
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Solution
The fourth proportional to 203,376.78, 304,941.99 and 91,036.02 is: 136,498.89
Step by Step Solution
- Step 1: Write the proportion equation
203,376.78 : 304,941.99 = 91,036.02 : x - Step 2: Convert to fraction form
203,376.78/304,941.99 = 91,036.02/x - Step 3: Cross multiply
203,376.78x = 304,941.99 × 91,036.02 - Step 4: Simplify right side
203,376.78x = 27,760,705,100.48 - Step 5: Solve for x
x = 27,760,705,100.48/203,376.78 - Step 6: Final answer
x = 136,498.89
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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.