Finding the Fourth Proportional to 220,192.21, 303,866.81 and 119,590.21
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Solution
The fourth proportional to 220,192.21, 303,866.81 and 119,590.21 is: 165,035.34
Step by Step Solution
- Step 1: Write the proportion equation
220,192.21 : 303,866.81 = 119,590.21 : x - Step 2: Convert to fraction form
220,192.21/303,866.81 = 119,590.21/x - Step 3: Cross multiply
220,192.21x = 303,866.81 × 119,590.21 - Step 4: Simplify right side
220,192.21x = 36,339,495,619.93 - Step 5: Solve for x
x = 36,339,495,619.93/220,192.21 - Step 6: Final answer
x = 165,035.34
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1.5x scale
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.