Finding the Fourth Proportional to 194,157.70, 291,246.15 and 100,845.70
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Solution
The fourth proportional to 194,157.70, 291,246.15 and 100,845.70 is: 151,273.54
Step by Step Solution
- Step 1: Write the proportion equation
194,157.70 : 291,246.15 = 100,845.70 : x - Step 2: Convert to fraction form
194,157.70/291,246.15 = 100,845.70/x - Step 3: Cross multiply
194,157.70x = 291,246.15 × 100,845.70 - Step 4: Simplify right side
194,157.70x = 29,370,921,869.06 - Step 5: Solve for x
x = 29,370,921,869.06/194,157.70 - Step 6: Final answer
x = 151,273.54
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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.