Finding the Fourth Proportional to 339,615.09, 468,658.95 and 194,415.98
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Solution
The fourth proportional to 339,615.09, 468,658.95 and 194,415.98 is: 268,288.39
Step by Step Solution
- Step 1: Write the proportion equation
339,615.09 : 468,658.95 = 194,415.98 : x - Step 2: Convert to fraction form
339,615.09/468,658.95 = 194,415.98/x - Step 3: Cross multiply
339,615.09x = 468,658.95 × 194,415.98 - Step 4: Simplify right side
339,615.09x = 91,114,786,706.73 - Step 5: Solve for x
x = 91,114,786,706.73/339,615.09 - Step 6: Final answer
x = 268,288.39
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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.