Finding the Fourth Proportional to 205,319.99, 307,979.99 and 65,078.62
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Solution
The fourth proportional to 205,319.99, 307,979.99 and 65,078.62 is: 97,617.93
Step by Step Solution
- Step 1: Write the proportion equation
205,319.99 : 307,979.99 = 65,078.62 : x - Step 2: Convert to fraction form
205,319.99/307,979.99 = 65,078.62/x - Step 3: Cross multiply
205,319.99x = 307,979.99 × 65,078.62 - Step 4: Simplify right side
205,319.99x = 20,042,912,736.81 - Step 5: Solve for x
x = 20,042,912,736.81/205,319.99 - Step 6: Final answer
x = 97,617.93
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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.