Finding the Fourth Proportional to 183,579.48, 253,245.42 and 122,430.96
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Solution
The fourth proportional to 183,579.48, 253,245.42 and 122,430.96 is: 168,891.86
Step by Step Solution
- Step 1: Write the proportion equation
183,579.48 : 253,245.42 = 122,430.96 : x - Step 2: Convert to fraction form
183,579.48/253,245.42 = 122,430.96/x - Step 3: Cross multiply
183,579.48x = 253,245.42 × 122,430.96 - Step 4: Simplify right side
183,579.48x = 31,005,079,886.20 - Step 5: Solve for x
x = 31,005,079,886.20/183,579.48 - Step 6: Final answer
x = 168,891.86
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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.