Finding the Fourth Proportional to 248,922.05, 343,543.29 and 152,105.99
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Solution
The fourth proportional to 248,922.05, 343,543.29 and 152,105.99 is: 209,925.12
Step by Step Solution
- Step 1: Write the proportion equation
248,922.05 : 343,543.29 = 152,105.99 : x - Step 2: Convert to fraction form
248,922.05/343,543.29 = 152,105.99/x - Step 3: Cross multiply
248,922.05x = 343,543.29 × 152,105.99 - Step 4: Simplify right side
248,922.05x = 52,254,992,233.31 - Step 5: Solve for x
x = 52,254,992,233.31/248,922.05 - Step 6: Final answer
x = 209,925.12
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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.