Finding the Fourth Proportional to 369,174.84, 509,461.49 and 199,408.97
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Solution
The fourth proportional to 369,174.84, 509,461.49 and 199,408.97 is: 275,184.48
Step by Step Solution
- Step 1: Write the proportion equation
369,174.84 : 509,461.49 = 199,408.97 : x - Step 2: Convert to fraction form
369,174.84/509,461.49 = 199,408.97/x - Step 3: Cross multiply
369,174.84x = 509,461.49 × 199,408.97 - Step 4: Simplify right side
369,174.84x = 101,591,187,431.21 - Step 5: Solve for x
x = 101,591,187,431.21/369,174.84 - Step 6: Final answer
x = 275,184.48
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1.5x scale
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.