Finding the Fourth Proportional to 384,694.36, 576,969.05 and 104,174.68
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Solution
The fourth proportional to 384,694.36, 576,969.05 and 104,174.68 is: 156,242.39
Step by Step Solution
- Step 1: Write the proportion equation
384,694.36 : 576,969.05 = 104,174.68 : x - Step 2: Convert to fraction form
384,694.36/576,969.05 = 104,174.68/x - Step 3: Cross multiply
384,694.36x = 576,969.05 × 104,174.68 - Step 4: Simplify right side
384,694.36x = 60,105,566,153.65 - Step 5: Solve for x
x = 60,105,566,153.65/384,694.36 - Step 6: Final answer
x = 156,242.39
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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.