Finding the Fourth Proportional to 343,957, 474,704.43 and 207,991.93
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Solution
The fourth proportional to 343,957, 474,704.43 and 207,991.93 is: 287,055.33
Step by Step Solution
- Step 1: Write the proportion equation
343,957 : 474,704.43 = 207,991.93 : x - Step 2: Convert to fraction form
343,957/474,704.43 = 207,991.93/x - Step 3: Cross multiply
343,957x = 474,704.43 × 207,991.93 - Step 4: Simplify right side
343,957x = 98,734,690,575.25 - Step 5: Solve for x
x = 98,734,690,575.25/343,957 - Step 6: Final answer
x = 287,055.33
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.