Finding the Fourth Proportional to 236,042.26, 325,734.21 and 128,613.18
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Solution
The fourth proportional to 236,042.26, 325,734.21 and 128,613.18 is: 177,483.95
Step by Step Solution
- Step 1: Write the proportion equation
236,042.26 : 325,734.21 = 128,613.18 : x - Step 2: Convert to fraction form
236,042.26/325,734.21 = 128,613.18/x - Step 3: Cross multiply
236,042.26x = 325,734.21 × 128,613.18 - Step 4: Simplify right side
236,042.26x = 41,893,712,582.89 - Step 5: Solve for x
x = 41,893,712,582.89/236,042.26 - Step 6: Final answer
x = 177,483.95
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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.