Finding the Fourth Proportional to 194,555.63, 268,486.77 and 105,131.63
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Solution
The fourth proportional to 194,555.63, 268,486.77 and 105,131.63 is: 145,081.65
Step by Step Solution
- Step 1: Write the proportion equation
194,555.63 : 268,486.77 = 105,131.63 : x - Step 2: Convert to fraction form
194,555.63/268,486.77 = 105,131.63/x - Step 3: Cross multiply
194,555.63x = 268,486.77 × 105,131.63 - Step 4: Simplify right side
194,555.63x = 28,226,450,421.10 - Step 5: Solve for x
x = 28,226,450,421.10/194,555.63 - Step 6: Final answer
x = 145,081.65
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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.