Finding the Fourth Proportional to 274,157.28, 411,231.60 and 87,166.08
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Solution
The fourth proportional to 274,157.28, 411,231.60 and 87,166.08 is: 130,747.75
Step by Step Solution
- Step 1: Write the proportion equation
274,157.28 : 411,231.60 = 87,166.08 : x - Step 2: Convert to fraction form
274,157.28/411,231.60 = 87,166.08/x - Step 3: Cross multiply
274,157.28x = 411,231.60 × 87,166.08 - Step 4: Simplify right side
274,157.28x = 35,845,446,544.13 - Step 5: Solve for x
x = 35,845,446,544.13/274,157.28 - Step 6: Final answer
x = 130,747.75
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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.