Finding the Fourth Proportional to 103,692.70, 155,423.85 and 44,518.30
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Solution
The fourth proportional to 103,692.70, 155,423.85 and 44,518.30 is: 66,727.99
Step by Step Solution
- Step 1: Write the proportion equation
103,692.70 : 155,423.85 = 44,518.30 : x - Step 2: Convert to fraction form
103,692.70/155,423.85 = 44,518.30/x - Step 3: Cross multiply
103,692.70x = 155,423.85 × 44,518.30 - Step 4: Simplify right side
103,692.70x = 6,919,205,581.46 - Step 5: Solve for x
x = 6,919,205,581.46/103,692.70 - Step 6: Final answer
x = 66,727.99
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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.