Finding the Fourth Proportional to 250,960.71, 346,313.97 and 136,236.81
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Solution
The fourth proportional to 250,960.71, 346,313.97 and 136,236.81 is: 188,000.39
Step by Step Solution
- Step 1: Write the proportion equation
250,960.71 : 346,313.97 = 136,236.81 : x - Step 2: Convert to fraction form
250,960.71/346,313.97 = 136,236.81/x - Step 3: Cross multiply
250,960.71x = 346,313.97 × 136,236.81 - Step 4: Simplify right side
250,960.71x = 47,180,710,531.24 - Step 5: Solve for x
x = 47,180,710,531.24/250,960.71 - Step 6: Final answer
x = 188,000.39
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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.