Finding the Fourth Proportional to 211,932.12, 292,451.58 and 116,442.84
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Solution
The fourth proportional to 211,932.12, 292,451.58 and 116,442.84 is: 160,683.02
Step by Step Solution
- Step 1: Write the proportion equation
211,932.12 : 292,451.58 = 116,442.84 : x - Step 2: Convert to fraction form
211,932.12/292,451.58 = 116,442.84/x - Step 3: Cross multiply
211,932.12x = 292,451.58 × 116,442.84 - Step 4: Simplify right side
211,932.12x = 34,053,892,537.69 - Step 5: Solve for x
x = 34,053,892,537.69/211,932.12 - Step 6: Final answer
x = 160,683.02
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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.