Finding the Fourth Proportional to 242,758.07, 335,006.19 and 135,325.79
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Solution
The fourth proportional to 242,758.07, 335,006.19 and 135,325.79 is: 186,749.62
Step by Step Solution
- Step 1: Write the proportion equation
242,758.07 : 335,006.19 = 135,325.79 : x - Step 2: Convert to fraction form
242,758.07/335,006.19 = 135,325.79/x - Step 3: Cross multiply
242,758.07x = 335,006.19 × 135,325.79 - Step 4: Simplify right side
242,758.07x = 45,334,975,641.61 - Step 5: Solve for x
x = 45,334,975,641.61/242,758.07 - Step 6: Final answer
x = 186,749.62
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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.