Finding the Fourth Proportional to 343,972.99, 515,982.23 and 91,249.93
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Solution
The fourth proportional to 343,972.99, 515,982.23 and 91,249.93 is: 136,880.92
Step by Step Solution
- Step 1: Write the proportion equation
343,972.99 : 515,982.23 = 91,249.93 : x - Step 2: Convert to fraction form
343,972.99/515,982.23 = 91,249.93/x - Step 3: Cross multiply
343,972.99x = 515,982.23 × 91,249.93 - Step 4: Simplify right side
343,972.99x = 47,083,339,332.58 - Step 5: Solve for x
x = 47,083,339,332.58/343,972.99 - Step 6: Final answer
x = 136,880.92
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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.