Finding the Fourth Proportional to 191,631.60, 264,451.68 and 111,106.08
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Solution
The fourth proportional to 191,631.60, 264,451.68 and 111,106.08 is: 153,326.43
Step by Step Solution
- Step 1: Write the proportion equation
191,631.60 : 264,451.68 = 111,106.08 : x - Step 2: Convert to fraction form
191,631.60/264,451.68 = 111,106.08/x - Step 3: Cross multiply
191,631.60x = 264,451.68 × 111,106.08 - Step 4: Simplify right side
191,631.60x = 29,382,189,514.21 - Step 5: Solve for x
x = 29,382,189,514.21/191,631.60 - Step 6: Final answer
x = 153,326.43
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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.