Finding the Fourth Proportional to 162,821.74, 224,692.68 and 91,202.44
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Solution
The fourth proportional to 162,821.74, 224,692.68 and 91,202.44 is: 125,858.63
Step by Step Solution
- Step 1: Write the proportion equation
162,821.74 : 224,692.68 = 91,202.44 : x - Step 2: Convert to fraction form
162,821.74/224,692.68 = 91,202.44/x - Step 3: Cross multiply
162,821.74x = 224,692.68 × 91,202.44 - Step 4: Simplify right side
162,821.74x = 20,492,520,666.14 - Step 5: Solve for x
x = 20,492,520,666.14/162,821.74 - Step 6: Final answer
x = 125,858.63
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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.