Finding the Fourth Proportional to 263,965.08, 396,211.23 and 145,692.12
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Solution
The fourth proportional to 263,965.08, 396,211.23 and 145,692.12 is: 218,683.68
Step by Step Solution
- Step 1: Write the proportion equation
263,965.08 : 396,211.23 = 145,692.12 : x - Step 2: Convert to fraction form
263,965.08/396,211.23 = 145,692.12/x - Step 3: Cross multiply
263,965.08x = 396,211.23 × 145,692.12 - Step 4: Simplify right side
263,965.08x = 57,724,854,066.51 - Step 5: Solve for x
x = 57,724,854,066.51/263,965.08 - Step 6: Final answer
x = 218,683.68
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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.