Finding the Fourth Proportional to 358,824.44, 537,729.21 and 198,970.79
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Solution
The fourth proportional to 358,824.44, 537,729.21 and 198,970.79 is: 298,174.80
Step by Step Solution
- Step 1: Write the proportion equation
358,824.44 : 537,729.21 = 198,970.79 : x - Step 2: Convert to fraction form
358,824.44/537,729.21 = 198,970.79/x - Step 3: Cross multiply
358,824.44x = 537,729.21 × 198,970.79 - Step 4: Simplify right side
358,824.44x = 106,992,405,719.78 - Step 5: Solve for x
x = 106,992,405,719.78/358,824.44 - Step 6: Final answer
x = 298,174.80
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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.