Finding the Fourth Proportional to 313,132.16, 469,161.36 and 210,356.88
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Solution
The fourth proportional to 313,132.16, 469,161.36 and 210,356.88 is: 315,174.65
Step by Step Solution
- Step 1: Write the proportion equation
313,132.16 : 469,161.36 = 210,356.88 : x - Step 2: Convert to fraction form
313,132.16/469,161.36 = 210,356.88/x - Step 3: Cross multiply
313,132.16x = 469,161.36 × 210,356.88 - Step 4: Simplify right side
313,132.16x = 98,691,319,906.16 - Step 5: Solve for x
x = 98,691,319,906.16/313,132.16 - Step 6: Final answer
x = 315,174.65
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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.