Finding the Fourth Proportional to 212,102.70, 292,706.91 and 116,611.26
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Solution
The fourth proportional to 212,102.70, 292,706.91 and 116,611.26 is: 160,926.39
Step by Step Solution
- Step 1: Write the proportion equation
212,102.70 : 292,706.91 = 116,611.26 : x - Step 2: Convert to fraction form
212,102.70/292,706.91 = 116,611.26/x - Step 3: Cross multiply
212,102.70x = 292,706.91 × 116,611.26 - Step 4: Simplify right side
212,102.70x = 34,132,921,585.81 - Step 5: Solve for x
x = 34,132,921,585.81/212,102.70 - Step 6: Final answer
x = 160,926.39
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1.5x scale
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.