Finding the Fourth Proportional to 236,744.88, 326,705.99 and 129,314.94
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Solution
The fourth proportional to 236,744.88, 326,705.99 and 129,314.94 is: 178,453.56
Step by Step Solution
- Step 1: Write the proportion equation
236,744.88 : 326,705.99 = 129,314.94 : x - Step 2: Convert to fraction form
236,744.88/326,705.99 = 129,314.94/x - Step 3: Cross multiply
236,744.88x = 326,705.99 × 129,314.94 - Step 4: Simplify right side
236,744.88x = 42,247,965,494.49 - Step 5: Solve for x
x = 42,247,965,494.49/236,744.88 - Step 6: Final answer
x = 178,453.56
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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.