Finding the Fourth Proportional to 343,993.57, 516,052.35 and 141,553.92
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Solution
The fourth proportional to 343,993.57, 516,052.35 and 141,553.92 is: 212,356.39
Step by Step Solution
- Step 1: Write the proportion equation
343,993.57 : 516,052.35 = 141,553.92 : x - Step 2: Convert to fraction form
343,993.57/516,052.35 = 141,553.92/x - Step 3: Cross multiply
343,993.57x = 516,052.35 × 141,553.92 - Step 4: Simplify right side
343,993.57x = 73,049,233,067.71 - Step 5: Solve for x
x = 73,049,233,067.71/343,993.57 - Step 6: Final answer
x = 212,356.39
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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.