Finding the Fourth Proportional to 358,733.44, 538,131.14 and 92,491.70
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Solution
The fourth proportional to 358,733.44, 538,131.14 and 92,491.70 is: 138,745.54
Step by Step Solution
- Step 1: Write the proportion equation
358,733.44 : 538,131.14 = 92,491.70 : x - Step 2: Convert to fraction form
358,733.44/538,131.14 = 92,491.70/x - Step 3: Cross multiply
358,733.44x = 538,131.14 × 92,491.70 - Step 4: Simplify right side
358,733.44x = 49,772,663,499.08 - Step 5: Solve for x
x = 49,772,663,499.08/358,733.44 - Step 6: Final answer
x = 138,745.54
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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.