Finding the Fourth Proportional to 438,907.94, 605,742.26 and 247,933.63
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Solution
The fourth proportional to 438,907.94, 605,742.26 and 247,933.63 is: 342,176.26
Step by Step Solution
- Step 1: Write the proportion equation
438,907.94 : 605,742.26 = 247,933.63 : x - Step 2: Convert to fraction form
438,907.94/605,742.26 = 247,933.63/x - Step 3: Cross multiply
438,907.94x = 605,742.26 × 247,933.63 - Step 4: Simplify right side
438,907.94x = 150,183,877,366.20 - Step 5: Solve for x
x = 150,183,877,366.20/438,907.94 - Step 6: Final answer
x = 342,176.26
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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.