Finding the Fourth Proportional to 151,775.13, 209,254.97 and 124,450.54
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Solution
The fourth proportional to 151,775.13, 209,254.97 and 124,450.54 is: 171,582.09
Step by Step Solution
- Step 1: Write the proportion equation
151,775.13 : 209,254.97 = 124,450.54 : x - Step 2: Convert to fraction form
151,775.13/209,254.97 = 124,450.54/x - Step 3: Cross multiply
151,775.13x = 209,254.97 × 124,450.54 - Step 4: Simplify right side
151,775.13x = 26,041,893,391.93 - Step 5: Solve for x
x = 26,041,893,391.93/151,775.13 - Step 6: Final answer
x = 171,582.09
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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.