Finding the Fourth Proportional to 269,286.93, 371,594.12 and 156,116.97
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Solution
The fourth proportional to 269,286.93, 371,594.12 and 156,116.97 is: 215,428.75
Step by Step Solution
- Step 1: Write the proportion equation
269,286.93 : 371,594.12 = 156,116.97 : x - Step 2: Convert to fraction form
269,286.93/371,594.12 = 156,116.97/x - Step 3: Cross multiply
269,286.93x = 371,594.12 × 156,116.97 - Step 4: Simplify right side
269,286.93x = 58,012,147,303.63 - Step 5: Solve for x
x = 58,012,147,303.63/269,286.93 - Step 6: Final answer
x = 215,428.75
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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.