Finding the Fourth Proportional to 212,247.10, 292,899.36 and 116,751.70
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Solution
The fourth proportional to 212,247.10, 292,899.36 and 116,751.70 is: 161,116.44
Step by Step Solution
- Step 1: Write the proportion equation
212,247.10 : 292,899.36 = 116,751.70 : x - Step 2: Convert to fraction form
212,247.10/292,899.36 = 116,751.70/x - Step 3: Cross multiply
212,247.10x = 292,899.36 × 116,751.70 - Step 4: Simplify right side
212,247.10x = 34,196,498,208.91 - Step 5: Solve for x
x = 34,196,498,208.91/212,247.10 - Step 6: Final answer
x = 161,116.44
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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.