Finding the Fourth Proportional to 132,450.94, 182,781.93 and 74,307.79
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Solution
The fourth proportional to 132,450.94, 182,781.93 and 74,307.79 is: 102,544.54
Step by Step Solution
- Step 1: Write the proportion equation
132,450.94 : 182,781.93 = 74,307.79 : x - Step 2: Convert to fraction form
132,450.94/182,781.93 = 74,307.79/x - Step 3: Cross multiply
132,450.94x = 182,781.93 × 74,307.79 - Step 4: Simplify right side
132,450.94x = 13,582,121,270.23 - Step 5: Solve for x
x = 13,582,121,270.23/132,450.94 - Step 6: Final answer
x = 102,544.54
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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.