Finding the Fourth Proportional to 212,495.36, 317,188.33 and 187,273.44
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Solution
The fourth proportional to 212,495.36, 317,188.33 and 187,273.44 is: 279,539.99
Step by Step Solution
- Step 1: Write the proportion equation
212,495.36 : 317,188.33 = 187,273.44 : x - Step 2: Convert to fraction form
212,495.36/317,188.33 = 187,273.44/x - Step 3: Cross multiply
212,495.36x = 317,188.33 × 187,273.44 - Step 4: Simplify right side
212,495.36x = 59,400,949,218.77 - Step 5: Solve for x
x = 59,400,949,218.77/212,495.36 - Step 6: Final answer
x = 279,539.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.