Finding the Fourth Proportional to 281,505.24, 388,414.81 and 166,726.62
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Solution
The fourth proportional to 281,505.24, 388,414.81 and 166,726.62 is: 230,045.77
Step by Step Solution
- Step 1: Write the proportion equation
281,505.24 : 388,414.81 = 166,726.62 : x - Step 2: Convert to fraction form
281,505.24/388,414.81 = 166,726.62/x - Step 3: Cross multiply
281,505.24x = 388,414.81 × 166,726.62 - Step 4: Simplify right side
281,505.24x = 64,759,088,429.24 - Step 5: Solve for x
x = 64,759,088,429.24/281,505.24 - Step 6: Final answer
x = 230,045.77
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1.5x scale
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.