Finding the Fourth Proportional to 157,596.88, 217,563.96 and 121,706.32
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Solution
The fourth proportional to 157,596.88, 217,563.96 and 121,706.32 is: 168,016.71
Step by Step Solution
- Step 1: Write the proportion equation
157,596.88 : 217,563.96 = 121,706.32 : x - Step 2: Convert to fraction form
157,596.88/217,563.96 = 121,706.32/x - Step 3: Cross multiply
157,596.88x = 217,563.96 × 121,706.32 - Step 4: Simplify right side
157,596.88x = 26,478,908,936.23 - Step 5: Solve for x
x = 26,478,908,936.23/157,596.88 - Step 6: Final answer
x = 168,016.71
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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.