Finding the Fourth Proportional to 304,558.05, 420,283.48 and 166,736.65
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Solution
The fourth proportional to 304,558.05, 420,283.48 and 166,736.65 is: 230,092.95
Step by Step Solution
- Step 1: Write the proportion equation
304,558.05 : 420,283.48 = 166,736.65 : x - Step 2: Convert to fraction form
304,558.05/420,283.48 = 166,736.65/x - Step 3: Cross multiply
304,558.05x = 420,283.48 × 166,736.65 - Step 4: Simplify right side
304,558.05x = 70,076,659,505.54 - Step 5: Solve for x
x = 70,076,659,505.54/304,558.05 - Step 6: Final answer
x = 230,092.95
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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.