Finding the Fourth Proportional to 392,603.92, 588,962.56 and 192,935.68
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Solution
The fourth proportional to 392,603.92, 588,962.56 and 192,935.68 is: 289,431.37
Step by Step Solution
- Step 1: Write the proportion equation
392,603.92 : 588,962.56 = 192,935.68 : x - Step 2: Convert to fraction form
392,603.92/588,962.56 = 192,935.68/x - Step 3: Cross multiply
392,603.92x = 588,962.56 × 192,935.68 - Step 4: Simplify right side
392,603.92x = 113,631,892,008.14 - Step 5: Solve for x
x = 113,631,892,008.14/392,603.92 - Step 6: Final answer
x = 289,431.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.