Finding the Fourth Proportional to 313,950.18, 470,640.44 and 114,129.44
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Solution
The fourth proportional to 313,950.18, 470,640.44 and 114,129.44 is: 171,090.62
Step by Step Solution
- Step 1: Write the proportion equation
313,950.18 : 470,640.44 = 114,129.44 : x - Step 2: Convert to fraction form
313,950.18/470,640.44 = 114,129.44/x - Step 3: Cross multiply
313,950.18x = 470,640.44 × 114,129.44 - Step 4: Simplify right side
313,950.18x = 53,713,929,858.55 - Step 5: Solve for x
x = 53,713,929,858.55/313,950.18 - Step 6: Final answer
x = 171,090.62
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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.