Finding the Fourth Proportional to 119,075.97, 178,603.09 and 40,190.88
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Solution
The fourth proportional to 119,075.97, 178,603.09 and 40,190.88 is: 60,282.65
Step by Step Solution
- Step 1: Write the proportion equation
119,075.97 : 178,603.09 = 40,190.88 : x - Step 2: Convert to fraction form
119,075.97/178,603.09 = 40,190.88/x - Step 3: Cross multiply
119,075.97x = 178,603.09 × 40,190.88 - Step 4: Simplify right side
119,075.97x = 7,178,215,257.34 - Step 5: Solve for x
x = 7,178,215,257.34/119,075.97 - Step 6: Final answer
x = 60,282.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.