Finding the Fourth Proportional to 499,549.19, 689,394.28 and 273,194.69
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Solution
The fourth proportional to 499,549.19, 689,394.28 and 273,194.69 is: 377,017.64
Step by Step Solution
- Step 1: Write the proportion equation
499,549.19 : 689,394.28 = 273,194.69 : x - Step 2: Convert to fraction form
499,549.19/689,394.28 = 273,194.69/x - Step 3: Cross multiply
499,549.19x = 689,394.28 × 273,194.69 - Step 4: Simplify right side
499,549.19x = 188,338,855,571.87 - Step 5: Solve for x
x = 188,338,855,571.87/499,549.19 - Step 6: Final answer
x = 377,017.64
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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.