Finding the Fourth Proportional to 344,369.41, 516,553.30 and 91,649.81
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Solution
The fourth proportional to 344,369.41, 516,553.30 and 91,649.81 is: 137,474.50
Step by Step Solution
- Step 1: Write the proportion equation
344,369.41 : 516,553.30 = 91,649.81 : x - Step 2: Convert to fraction form
344,369.41/516,553.30 = 91,649.81/x - Step 3: Cross multiply
344,369.41x = 516,553.30 × 91,649.81 - Step 4: Simplify right side
344,369.41x = 47,342,013,205.82 - Step 5: Solve for x
x = 47,342,013,205.82/344,369.41 - Step 6: Final answer
x = 137,474.50
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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.