Finding the Fourth Proportional to 307,191.91, 460,425.85 and 138,514.74
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Solution
The fourth proportional to 307,191.91, 460,425.85 and 138,514.74 is: 207,608.88
Step by Step Solution
- Step 1: Write the proportion equation
307,191.91 : 460,425.85 = 138,514.74 : x - Step 2: Convert to fraction form
307,191.91/460,425.85 = 138,514.74/x - Step 3: Cross multiply
307,191.91x = 460,425.85 × 138,514.74 - Step 4: Simplify right side
307,191.91x = 63,775,768,198.19 - Step 5: Solve for x
x = 63,775,768,198.19/307,191.91 - Step 6: Final answer
x = 207,608.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.