Finding the Fourth Proportional to 242,821.06, 335,094.30 and 135,395.62
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Solution
The fourth proportional to 242,821.06, 335,094.30 and 135,395.62 is: 186,846.65
Step by Step Solution
- Step 1: Write the proportion equation
242,821.06 : 335,094.30 = 135,395.62 : x - Step 2: Convert to fraction form
242,821.06/335,094.30 = 135,395.62/x - Step 3: Cross multiply
242,821.06x = 335,094.30 × 135,395.62 - Step 4: Simplify right side
242,821.06x = 45,370,300,506.97 - Step 5: Solve for x
x = 45,370,300,506.97/242,821.06 - Step 6: Final answer
x = 186,846.65
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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.