Finding the Fourth Proportional to 293,771.63, 405,407.42 and 159,635.63
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Solution
The fourth proportional to 293,771.63, 405,407.42 and 159,635.63 is: 220,298.56
Step by Step Solution
- Step 1: Write the proportion equation
293,771.63 : 405,407.42 = 159,635.63 : x - Step 2: Convert to fraction form
293,771.63/405,407.42 = 159,635.63/x - Step 3: Cross multiply
293,771.63x = 405,407.42 × 159,635.63 - Step 4: Simplify right side
293,771.63x = 64,717,466,073.16 - Step 5: Solve for x
x = 64,717,466,073.16/293,771.63 - Step 6: Final answer
x = 220,298.56
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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.