Finding the Fourth Proportional to 211,678.54, 292,119.96 and 116,194.12
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Solution
The fourth proportional to 211,678.54, 292,119.96 and 116,194.12 is: 160,349.85
Step by Step Solution
- Step 1: Write the proportion equation
211,678.54 : 292,119.96 = 116,194.12 : x - Step 2: Convert to fraction form
211,678.54/292,119.96 = 116,194.12/x - Step 3: Cross multiply
211,678.54x = 292,119.96 × 116,194.12 - Step 4: Simplify right side
211,678.54x = 33,942,621,686.64 - Step 5: Solve for x
x = 33,942,621,686.64/211,678.54 - Step 6: Final answer
x = 160,349.85
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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.