Finding the Fourth Proportional to 204,316.65, 306,409.01 and 74,466.99
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Solution
The fourth proportional to 204,316.65, 306,409.01 and 74,466.99 is: 111,676.44
Step by Step Solution
- Step 1: Write the proportion equation
204,316.65 : 306,409.01 = 74,466.99 : x - Step 2: Convert to fraction form
204,316.65/306,409.01 = 74,466.99/x - Step 3: Cross multiply
204,316.65x = 306,409.01 × 74,466.99 - Step 4: Simplify right side
204,316.65x = 22,817,356,311.25 - Step 5: Solve for x
x = 22,817,356,311.25/204,316.65 - Step 6: Final answer
x = 111,676.44
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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.