Finding the Fourth Proportional to 194,939.69, 292,445.99 and 61,784.19
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Solution
The fourth proportional to 194,939.69, 292,445.99 and 61,784.19 is: 92,687.84
Step by Step Solution
- Step 1: Write the proportion equation
194,939.69 : 292,445.99 = 61,784.19 : x - Step 2: Convert to fraction form
194,939.69/292,445.99 = 61,784.19/x - Step 3: Cross multiply
194,939.69x = 292,445.99 × 61,784.19 - Step 4: Simplify right side
194,939.69x = 18,068,538,301.98 - Step 5: Solve for x
x = 18,068,538,301.98/194,939.69 - Step 6: Final answer
x = 92,687.84
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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.