Finding the Fourth Proportional to 358,511.09, 494,742.60 and 197,368.88
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Solution
The fourth proportional to 358,511.09, 494,742.60 and 197,368.88 is: 272,367.56
Step by Step Solution
- Step 1: Write the proportion equation
358,511.09 : 494,742.60 = 197,368.88 : x - Step 2: Convert to fraction form
358,511.09/494,742.60 = 197,368.88/x - Step 3: Cross multiply
358,511.09x = 494,742.60 × 197,368.88 - Step 4: Simplify right side
358,511.09x = 97,646,790,376.58 - Step 5: Solve for x
x = 97,646,790,376.58/358,511.09 - Step 6: Final answer
x = 272,367.56
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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.