Finding the Fourth Proportional to 358,822.44, 537,726.21 and 198,968.79
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Solution
The fourth proportional to 358,822.44, 537,726.21 and 198,968.79 is: 298,171.80
Step by Step Solution
- Step 1: Write the proportion equation
358,822.44 : 537,726.21 = 198,968.79 : x - Step 2: Convert to fraction form
358,822.44/537,726.21 = 198,968.79/x - Step 3: Cross multiply
358,822.44x = 537,726.21 × 198,968.79 - Step 4: Simplify right side
358,822.44x = 106,990,733,354.99 - Step 5: Solve for x
x = 106,990,733,354.99/358,822.44 - Step 6: Final answer
x = 298,171.80
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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.