Finding the Fourth Proportional to 162,963.07, 244,553.06 and 66,978.99
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Solution
The fourth proportional to 162,963.07, 244,553.06 and 66,978.99 is: 100,513.06
Step by Step Solution
- Step 1: Write the proportion equation
162,963.07 : 244,553.06 = 66,978.99 : x - Step 2: Convert to fraction form
162,963.07/244,553.06 = 66,978.99/x - Step 3: Cross multiply
162,963.07x = 244,553.06 × 66,978.99 - Step 4: Simplify right side
162,963.07x = 16,379,916,960.21 - Step 5: Solve for x
x = 16,379,916,960.21/162,963.07 - Step 6: Final answer
x = 100,513.06
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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.