Finding the Fourth Proportional to 269,119.22, 371,436.68 and 154,465.75
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Solution
The fourth proportional to 269,119.22, 371,436.68 and 154,465.75 is: 213,192.66
Step by Step Solution
- Step 1: Write the proportion equation
269,119.22 : 371,436.68 = 154,465.75 : x - Step 2: Convert to fraction form
269,119.22/371,436.68 = 154,465.75/x - Step 3: Cross multiply
269,119.22x = 371,436.68 × 154,465.75 - Step 4: Simplify right side
269,119.22x = 57,374,242,724.20 - Step 5: Solve for x
x = 57,374,242,724.20/269,119.22 - Step 6: Final answer
x = 213,192.66
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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.