Finding the Fourth Proportional to 142,692.03, 213,982.97 and 42,828.75
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Solution
The fourth proportional to 142,692.03, 213,982.97 and 42,828.75 is: 64,226.59
Step by Step Solution
- Step 1: Write the proportion equation
142,692.03 : 213,982.97 = 42,828.75 : x - Step 2: Convert to fraction form
142,692.03/213,982.97 = 42,828.75/x - Step 3: Cross multiply
142,692.03x = 213,982.97 × 42,828.75 - Step 4: Simplify right side
142,692.03x = 9,164,622,912.24 - Step 5: Solve for x
x = 9,164,622,912.24/142,692.03 - Step 6: Final answer
x = 64,226.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.