Finding the Fourth Proportional to 302,696.53, 417,724.10 and 166,731.09
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Solution
The fourth proportional to 302,696.53, 417,724.10 and 166,731.09 is: 230,090.50
Step by Step Solution
- Step 1: Write the proportion equation
302,696.53 : 417,724.10 = 166,731.09 : x - Step 2: Convert to fraction form
302,696.53/417,724.10 = 166,731.09/x - Step 3: Cross multiply
302,696.53x = 417,724.10 × 166,731.09 - Step 4: Simplify right side
302,696.53x = 69,647,594,512.27 - Step 5: Solve for x
x = 69,647,594,512.27/302,696.53 - Step 6: Final answer
x = 230,090.50
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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.