Finding the Fourth Proportional to 242,755.07, 335,002.05 and 135,322.79
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Solution
The fourth proportional to 242,755.07, 335,002.05 and 135,322.79 is: 186,745.48
Step by Step Solution
- Step 1: Write the proportion equation
242,755.07 : 335,002.05 = 135,322.79 : x - Step 2: Convert to fraction form
242,755.07/335,002.05 = 135,322.79/x - Step 3: Cross multiply
242,755.07x = 335,002.05 × 135,322.79 - Step 4: Simplify right side
242,755.07x = 45,333,410,386.71 - Step 5: Solve for x
x = 45,333,410,386.71/242,755.07 - Step 6: Final answer
x = 186,745.48
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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.