Finding the Fourth Proportional to 135,233.07, 186,605.44 and 74,795.55
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Solution
The fourth proportional to 135,233.07, 186,605.44 and 74,795.55 is: 103,208.90
Step by Step Solution
- Step 1: Write the proportion equation
135,233.07 : 186,605.44 = 74,795.55 : x - Step 2: Convert to fraction form
135,233.07/186,605.44 = 74,795.55/x - Step 3: Cross multiply
135,233.07x = 186,605.44 × 74,795.55 - Step 4: Simplify right side
135,233.07x = 13,957,256,517.79 - Step 5: Solve for x
x = 13,957,256,517.79/135,233.07 - Step 6: Final answer
x = 103,208.90
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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.