Finding the Fourth Proportional to 194,487.10, 268,367.75 and 108,425.00
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Solution
The fourth proportional to 194,487.10, 268,367.75 and 108,425.00 is: 149,612.88
Step by Step Solution
- Step 1: Write the proportion equation
194,487.10 : 268,367.75 = 108,425.00 : x - Step 2: Convert to fraction form
194,487.10/268,367.75 = 108,425.00/x - Step 3: Cross multiply
194,487.10x = 268,367.75 × 108,425.00 - Step 4: Simplify right side
194,487.10x = 29,097,773,829.14 - Step 5: Solve for x
x = 29,097,773,829.14/194,487.10 - Step 6: Final answer
x = 149,612.88
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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.