Finding the Fourth Proportional to 344,715.20, 517,072.80 and 251,403.20
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Solution
The fourth proportional to 344,715.20, 517,072.80 and 251,403.20 is: 377,104.80
Step by Step Solution
- Step 1: Write the proportion equation
344,715.20 : 517,072.80 = 251,403.20 : x - Step 2: Convert to fraction form
344,715.20/517,072.80 = 251,403.20/x - Step 3: Cross multiply
344,715.20x = 517,072.80 × 251,403.20 - Step 4: Simplify right side
344,715.20x = 129,993,756,552.96 - Step 5: Solve for x
x = 129,993,756,552.96/344,715.20 - Step 6: Final answer
x = 377,104.80
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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.