Finding the Fourth Proportional to 358,571.68, 494,825.28 and 197,423.68
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Solution
The fourth proportional to 358,571.68, 494,825.28 and 197,423.68 is: 272,442.68
Step by Step Solution
- Step 1: Write the proportion equation
358,571.68 : 494,825.28 = 197,423.68 : x - Step 2: Convert to fraction form
358,571.68/494,825.28 = 197,423.68/x - Step 3: Cross multiply
358,571.68x = 494,825.28 × 197,423.68 - Step 4: Simplify right side
358,571.68x = 97,690,227,734.63 - Step 5: Solve for x
x = 97,690,227,734.63/358,571.68 - Step 6: Final answer
x = 272,442.68
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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.