Finding the Fourth Proportional to 850,636.67, 1,276,204.12 and 251,613.78
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Solution
The fourth proportional to 850,636.67, 1,276,204.12 and 251,613.78 is: 377,494.36
Step by Step Solution
- Step 1: Write the proportion equation
850,636.67 : 1,276,204.12 = 251,613.78 : x - Step 2: Convert to fraction form
850,636.67/1,276,204.12 = 251,613.78/x - Step 3: Cross multiply
850,636.67x = 1,276,204.12 × 251,613.78 - Step 4: Simplify right side
850,636.67x = 321,110,547,785.06 - Step 5: Solve for x
x = 321,110,547,785.06/850,636.67 - Step 6: Final answer
x = 377,494.36
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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.