Finding the Fourth Proportional to 194,917.44, 268,985.99 and 105,493.44
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Solution
The fourth proportional to 194,917.44, 268,985.99 and 105,493.44 is: 145,580.91
Step by Step Solution
- Step 1: Write the proportion equation
194,917.44 : 268,985.99 = 105,493.44 : x - Step 2: Convert to fraction form
194,917.44/268,985.99 = 105,493.44/x - Step 3: Cross multiply
194,917.44x = 268,985.99 × 105,493.44 - Step 4: Simplify right side
194,917.44x = 28,376,257,396.91 - Step 5: Solve for x
x = 28,376,257,396.91/194,917.44 - Step 6: Final answer
x = 145,580.91
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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.