Finding the Fourth Proportional to 358,891.58, 538,420.66 and 122,236.30
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Solution
The fourth proportional to 358,891.58, 538,420.66 and 122,236.30 is: 183,382.82
Step by Step Solution
- Step 1: Write the proportion equation
358,891.58 : 538,420.66 = 122,236.30 : x - Step 2: Convert to fraction form
358,891.58/538,420.66 = 122,236.30/x - Step 3: Cross multiply
358,891.58x = 538,420.66 × 122,236.30 - Step 4: Simplify right side
358,891.58x = 65,814,549,321.96 - Step 5: Solve for x
x = 65,814,549,321.96/358,891.58 - Step 6: Final answer
x = 183,382.82
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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.