Finding the Fourth Proportional to 212,197.70, 292,835.26 and 116,705.99
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Solution
The fourth proportional to 212,197.70, 292,835.26 and 116,705.99 is: 161,055.60
Step by Step Solution
- Step 1: Write the proportion equation
212,197.70 : 292,835.26 = 116,705.99 : x - Step 2: Convert to fraction form
212,197.70/292,835.26 = 116,705.99/x - Step 3: Cross multiply
212,197.70x = 292,835.26 × 116,705.99 - Step 4: Simplify right side
212,197.70x = 34,175,627,606.91 - Step 5: Solve for x
x = 34,175,627,606.91/212,197.70 - Step 6: Final answer
x = 161,055.60
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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.