Finding the Fourth Proportional to 358,538.88, 494,785.44 and 197,410.08
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Solution
The fourth proportional to 358,538.88, 494,785.44 and 197,410.08 is: 272,426.89
Step by Step Solution
- Step 1: Write the proportion equation
358,538.88 : 494,785.44 = 197,410.08 : x - Step 2: Convert to fraction form
358,538.88/494,785.44 = 197,410.08/x - Step 3: Cross multiply
358,538.88x = 494,785.44 × 197,410.08 - Step 4: Simplify right side
358,538.88x = 97,675,633,293.24 - Step 5: Solve for x
x = 97,675,633,293.24/358,538.88 - Step 6: Final answer
x = 272,426.89
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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.