Finding the Fourth Proportional to 194,533.84, 268,456.62 and 105,109.84
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Solution
The fourth proportional to 194,533.84, 268,456.62 and 105,109.84 is: 145,051.54
Step by Step Solution
- Step 1: Write the proportion equation
194,533.84 : 268,456.62 = 105,109.84 : x - Step 2: Convert to fraction form
194,533.84/268,456.62 = 105,109.84/x - Step 3: Cross multiply
194,533.84x = 268,456.62 × 105,109.84 - Step 4: Simplify right side
194,533.84x = 28,217,432,375.14 - Step 5: Solve for x
x = 28,217,432,375.14/194,533.84 - Step 6: Final answer
x = 145,051.54
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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.