Finding the Fourth Proportional to 269,432.98, 371,776.94 and 154,716.63
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Solution
The fourth proportional to 269,432.98, 371,776.94 and 154,716.63 is: 213,485.65
Step by Step Solution
- Step 1: Write the proportion equation
269,432.98 : 371,776.94 = 154,716.63 : x - Step 2: Convert to fraction form
269,432.98/371,776.94 = 154,716.63/x - Step 3: Cross multiply
269,432.98x = 371,776.94 × 154,716.63 - Step 4: Simplify right side
269,432.98x = 57,520,075,772.20 - Step 5: Solve for x
x = 57,520,075,772.20/269,432.98 - Step 6: Final answer
x = 213,485.65
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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.