Finding the Fourth Proportional to 178,967.07, 246,974.67 and 98,395.97
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Solution
The fourth proportional to 178,967.07, 246,974.67 and 98,395.97 is: 135,786.49
Step by Step Solution
- Step 1: Write the proportion equation
178,967.07 : 246,974.67 = 98,395.97 : x - Step 2: Convert to fraction form
178,967.07/246,974.67 = 98,395.97/x - Step 3: Cross multiply
178,967.07x = 246,974.67 × 98,395.97 - Step 4: Simplify right side
178,967.07x = 24,301,310,985.21 - Step 5: Solve for x
x = 24,301,310,985.21/178,967.07 - Step 6: Final answer
x = 135,786.49
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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.