Finding the Fourth Proportional to 302,119.81, 416,916.99 and 166,153.75
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Solution
The fourth proportional to 302,119.81, 416,916.99 and 166,153.75 is: 229,287.58
Step by Step Solution
- Step 1: Write the proportion equation
302,119.81 : 416,916.99 = 166,153.75 : x - Step 2: Convert to fraction form
302,119.81/416,916.99 = 166,153.75/x - Step 3: Cross multiply
302,119.81x = 416,916.99 × 166,153.75 - Step 4: Simplify right side
302,119.81x = 69,272,320,284.92 - Step 5: Solve for x
x = 69,272,320,284.92/302,119.81 - Step 6: Final answer
x = 229,287.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.