Finding the Fourth Proportional to 202,308.20, 303,790.35 and 146,539.70
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Solution
The fourth proportional to 202,308.20, 303,790.35 and 146,539.70 is: 220,047.17
Step by Step Solution
- Step 1: Write the proportion equation
202,308.20 : 303,790.35 = 146,539.70 : x - Step 2: Convert to fraction form
202,308.20/303,790.35 = 146,539.70/x - Step 3: Cross multiply
202,308.20x = 303,790.35 × 146,539.70 - Step 4: Simplify right side
202,308.20x = 44,517,346,751.90 - Step 5: Solve for x
x = 44,517,346,751.90/202,308.20 - Step 6: Final answer
x = 220,047.17
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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.