Finding the Fourth Proportional to 242,460.73, 334,571.79 and 135,040.74
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Solution
The fourth proportional to 242,460.73, 334,571.79 and 135,040.74 is: 186,342.84
Step by Step Solution
- Step 1: Write the proportion equation
242,460.73 : 334,571.79 = 135,040.74 : x - Step 2: Convert to fraction form
242,460.73/334,571.79 = 135,040.74/x - Step 3: Cross multiply
242,460.73x = 334,571.79 × 135,040.74 - Step 4: Simplify right side
242,460.73x = 45,180,822,104.72 - Step 5: Solve for x
x = 45,180,822,104.72/242,460.73 - Step 6: Final answer
x = 186,342.84
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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.