Finding the Fourth Proportional to 203,203.26, 304,992.05 and 103,434.75
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Solution
The fourth proportional to 203,203.26, 304,992.05 and 103,434.75 is: 155,247.39
Step by Step Solution
- Step 1: Write the proportion equation
203,203.26 : 304,992.05 = 103,434.75 : x - Step 2: Convert to fraction form
203,203.26/304,992.05 = 103,434.75/x - Step 3: Cross multiply
203,203.26x = 304,992.05 × 103,434.75 - Step 4: Simplify right side
203,203.26x = 31,546,775,926.56 - Step 5: Solve for x
x = 31,546,775,926.56/203,203.26 - Step 6: Final answer
x = 155,247.39
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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.