Finding the Fourth Proportional to 254,516.27, 381,193.02 and 121,490.18
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Solution
The fourth proportional to 254,516.27, 381,193.02 and 121,490.18 is: 181,957.75
Step by Step Solution
- Step 1: Write the proportion equation
254,516.27 : 381,193.02 = 121,490.18 : x - Step 2: Convert to fraction form
254,516.27/381,193.02 = 121,490.18/x - Step 3: Cross multiply
254,516.27x = 381,193.02 × 121,490.18 - Step 4: Simplify right side
254,516.27x = 46,311,208,614.54 - Step 5: Solve for x
x = 46,311,208,614.54/254,516.27 - Step 6: Final answer
x = 181,957.75
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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.