Finding the Fourth Proportional to 245,236.70, 367,660.65 and 134,428.70
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Solution
The fourth proportional to 245,236.70, 367,660.65 and 134,428.70 is: 201,536.49
Step by Step Solution
- Step 1: Write the proportion equation
245,236.70 : 367,660.65 = 134,428.70 : x - Step 2: Convert to fraction form
245,236.70/367,660.65 = 134,428.70/x - Step 3: Cross multiply
245,236.70x = 367,660.65 × 134,428.70 - Step 4: Simplify right side
245,236.70x = 49,424,143,220.66 - Step 5: Solve for x
x = 49,424,143,220.66/245,236.70 - Step 6: Final answer
x = 201,536.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.