Finding the Fourth Proportional to 279,004.97, 385,056.92 and 158,133.26
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Solution
The fourth proportional to 279,004.97, 385,056.92 and 158,133.26 is: 218,240.94
Step by Step Solution
- Step 1: Write the proportion equation
279,004.97 : 385,056.92 = 158,133.26 : x - Step 2: Convert to fraction form
279,004.97/385,056.92 = 158,133.26/x - Step 3: Cross multiply
279,004.97x = 385,056.92 × 158,133.26 - Step 4: Simplify right side
279,004.97x = 60,890,307,403.13 - Step 5: Solve for x
x = 60,890,307,403.13/279,004.97 - Step 6: Final answer
x = 218,240.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.