Finding the Fourth Proportional to 194,666.19, 268,620.67 and 118,227.12
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Solution
The fourth proportional to 194,666.19, 268,620.67 and 118,227.12 is: 163,142.09
Step by Step Solution
- Step 1: Write the proportion equation
194,666.19 : 268,620.67 = 118,227.12 : x - Step 2: Convert to fraction form
194,666.19/268,620.67 = 118,227.12/x - Step 3: Cross multiply
194,666.19x = 268,620.67 × 118,227.12 - Step 4: Simplify right side
194,666.19x = 31,758,248,186.57 - Step 5: Solve for x
x = 31,758,248,186.57/194,666.19 - Step 6: Final answer
x = 163,142.09
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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.