Finding the Fourth Proportional to 269,112.49, 371,379.99 and 148,252.95
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Solution
The fourth proportional to 269,112.49, 371,379.99 and 148,252.95 is: 204,591.69
Step by Step Solution
- Step 1: Write the proportion equation
269,112.49 : 371,379.99 = 148,252.95 : x - Step 2: Convert to fraction form
269,112.49/371,379.99 = 148,252.95/x - Step 3: Cross multiply
269,112.49x = 371,379.99 × 148,252.95 - Step 4: Simplify right side
269,112.49x = 55,058,178,810.50 - Step 5: Solve for x
x = 55,058,178,810.50/269,112.49 - Step 6: Final answer
x = 204,591.69
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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.