Finding the Fourth Proportional to 311,696.68, 430,119.84 and 175,735.48
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Solution
The fourth proportional to 311,696.68, 430,119.84 and 175,735.48 is: 242,502.80
Step by Step Solution
- Step 1: Write the proportion equation
311,696.68 : 430,119.84 = 175,735.48 : x - Step 2: Convert to fraction form
311,696.68/430,119.84 = 175,735.48/x - Step 3: Cross multiply
311,696.68x = 430,119.84 × 175,735.48 - Step 4: Simplify right side
311,696.68x = 75,587,316,539.92 - Step 5: Solve for x
x = 75,587,316,539.92/311,696.68 - Step 6: Final answer
x = 242,502.80
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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.