Finding the Fourth Proportional to 212,021.10, 292,585.72 and 116,525.75
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Solution
The fourth proportional to 212,021.10, 292,585.72 and 116,525.75 is: 160,803.66
Step by Step Solution
- Step 1: Write the proportion equation
212,021.10 : 292,585.72 = 116,525.75 : x - Step 2: Convert to fraction form
212,021.10/292,585.72 = 116,525.75/x - Step 3: Cross multiply
212,021.10x = 292,585.72 × 116,525.75 - Step 4: Simplify right side
212,021.10x = 34,093,769,418.13 - Step 5: Solve for x
x = 34,093,769,418.13/212,021.10 - Step 6: Final answer
x = 160,803.66
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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.