Finding the Fourth Proportional to 211,703.14, 292,157.85 and 116,217.10
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Solution
The fourth proportional to 211,703.14, 292,157.85 and 116,217.10 is: 160,383.72
Step by Step Solution
- Step 1: Write the proportion equation
211,703.14 : 292,157.85 = 116,217.10 : x - Step 2: Convert to fraction form
211,703.14/292,157.85 = 116,217.10/x - Step 3: Cross multiply
211,703.14x = 292,157.85 × 116,217.10 - Step 4: Simplify right side
211,703.14x = 33,953,738,069.24 - Step 5: Solve for x
x = 33,953,738,069.24/211,703.14 - Step 6: Final answer
x = 160,383.72
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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.