Finding the Fourth Proportional to 146,430.44, 202,074.18 and 79,362.44
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Solution
The fourth proportional to 146,430.44, 202,074.18 and 79,362.44 is: 109,520.26
Step by Step Solution
- Step 1: Write the proportion equation
146,430.44 : 202,074.18 = 79,362.44 : x - Step 2: Convert to fraction form
146,430.44/202,074.18 = 79,362.44/x - Step 3: Cross multiply
146,430.44x = 202,074.18 × 79,362.44 - Step 4: Simplify right side
146,430.44x = 16,037,099,985.80 - Step 5: Solve for x
x = 16,037,099,985.80/146,430.44 - Step 6: Final answer
x = 109,520.26
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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.