Finding the Fourth Proportional to 100,774.24, 151,111.68 and 34,190.08
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Solution
The fourth proportional to 100,774.24, 151,111.68 and 34,190.08 is: 51,268.26
Step by Step Solution
- Step 1: Write the proportion equation
100,774.24 : 151,111.68 = 34,190.08 : x - Step 2: Convert to fraction form
100,774.24/151,111.68 = 34,190.08/x - Step 3: Cross multiply
100,774.24x = 151,111.68 × 34,190.08 - Step 4: Simplify right side
100,774.24x = 5,166,520,428.13 - Step 5: Solve for x
x = 5,166,520,428.13/100,774.24 - Step 6: Final answer
x = 51,268.26
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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.