Finding the Fourth Proportional to 212,115.08, 292,711.32 and 116,621.03
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Solution
The fourth proportional to 212,115.08, 292,711.32 and 116,621.03 is: 160,932.90
Step by Step Solution
- Step 1: Write the proportion equation
212,115.08 : 292,711.32 = 116,621.03 : x - Step 2: Convert to fraction form
212,115.08/292,711.32 = 116,621.03/x - Step 3: Cross multiply
212,115.08x = 292,711.32 × 116,621.03 - Step 4: Simplify right side
212,115.08x = 34,136,296,362.84 - Step 5: Solve for x
x = 34,136,296,362.84/212,115.08 - Step 6: Final answer
x = 160,932.90
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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.