Finding the Fourth Proportional to 157,969.14, 236,965.97 and 52,788.48
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Solution
The fourth proportional to 157,969.14, 236,965.97 and 52,788.48 is: 79,186.82
Step by Step Solution
- Step 1: Write the proportion equation
157,969.14 : 236,965.97 = 52,788.48 : x - Step 2: Convert to fraction form
157,969.14/236,965.97 = 52,788.48/x - Step 3: Cross multiply
157,969.14x = 236,965.97 × 52,788.48 - Step 4: Simplify right side
157,969.14x = 12,509,073,104.08 - Step 5: Solve for x
x = 12,509,073,104.08/157,969.14 - Step 6: Final answer
x = 79,186.82
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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.