Finding the Fourth Proportional to 358,538.82, 494,773.99 and 197,395.08
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Solution
The fourth proportional to 358,538.82, 494,773.99 and 197,395.08 is: 272,399.94
Step by Step Solution
- Step 1: Write the proportion equation
358,538.82 : 494,773.99 = 197,395.08 : x - Step 2: Convert to fraction form
358,538.82/494,773.99 = 197,395.08/x - Step 3: Cross multiply
358,538.82x = 494,773.99 × 197,395.08 - Step 4: Simplify right side
358,538.82x = 97,665,951,337.97 - Step 5: Solve for x
x = 97,665,951,337.97/358,538.82 - Step 6: Final answer
x = 272,399.94
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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.