Finding the Fourth Proportional to 207,505.62, 311,355.64 and 102,267.18
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Solution
The fourth proportional to 207,505.62, 311,355.64 and 102,267.18 is: 153,448.68
Step by Step Solution
- Step 1: Write the proportion equation
207,505.62 : 311,355.64 = 102,267.18 : x - Step 2: Convert to fraction form
207,505.62/311,355.64 = 102,267.18/x - Step 3: Cross multiply
207,505.62x = 311,355.64 × 102,267.18 - Step 4: Simplify right side
207,505.62x = 31,841,463,279.90 - Step 5: Solve for x
x = 31,841,463,279.90/207,505.62 - Step 6: Final answer
x = 153,448.68
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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.