Finding the Fourth Proportional to 157,436.75, 236,195.10 and 46,628.75
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Solution
The fourth proportional to 157,436.75, 236,195.10 and 46,628.75 is: 69,954.96
Step by Step Solution
- Step 1: Write the proportion equation
157,436.75 : 236,195.10 = 46,628.75 : x - Step 2: Convert to fraction form
157,436.75/236,195.10 = 46,628.75/x - Step 3: Cross multiply
157,436.75x = 236,195.10 × 46,628.75 - Step 4: Simplify right side
157,436.75x = 11,013,482,269.13 - Step 5: Solve for x
x = 11,013,482,269.13/157,436.75 - Step 6: Final answer
x = 69,954.96
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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.