Finding the Fourth Proportional to 358,322.54, 494,474.63 and 197,177.49
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Solution
The fourth proportional to 358,322.54, 494,474.63 and 197,177.49 is: 272,099.17
Step by Step Solution
- Step 1: Write the proportion equation
358,322.54 : 494,474.63 = 197,177.49 : x - Step 2: Convert to fraction form
358,322.54/494,474.63 = 197,177.49/x - Step 3: Cross multiply
358,322.54x = 494,474.63 × 197,177.49 - Step 4: Simplify right side
358,322.54x = 97,499,265,426.19 - Step 5: Solve for x
x = 97,499,265,426.19/358,322.54 - Step 6: Final answer
x = 272,099.17
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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.