Finding the Fourth Proportional to 236,661.73, 326,580.99 and 129,211.04
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Solution
The fourth proportional to 236,661.73, 326,580.99 and 129,211.04 is: 178,304.58
Step by Step Solution
- Step 1: Write the proportion equation
236,661.73 : 326,580.99 = 129,211.04 : x - Step 2: Convert to fraction form
236,661.73/326,580.99 = 129,211.04/x - Step 3: Cross multiply
236,661.73x = 326,580.99 × 129,211.04 - Step 4: Simplify right side
236,661.73x = 42,197,869,362.13 - Step 5: Solve for x
x = 42,197,869,362.13/236,661.73 - Step 6: Final answer
x = 178,304.58
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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.