Finding the Fourth Proportional to 248,613.80, 372,920.70 and 115,449.80
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Solution
The fourth proportional to 248,613.80, 372,920.70 and 115,449.80 is: 173,174.70
Step by Step Solution
- Step 1: Write the proportion equation
248,613.80 : 372,920.70 = 115,449.80 : x - Step 2: Convert to fraction form
248,613.80/372,920.70 = 115,449.80/x - Step 3: Cross multiply
248,613.80x = 372,920.70 × 115,449.80 - Step 4: Simplify right side
248,613.80x = 43,053,620,230.86 - Step 5: Solve for x
x = 43,053,620,230.86/248,613.80 - Step 6: Final answer
x = 173,174.70
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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.