Finding the Fourth Proportional to 245,960.40, 368,940.60 and 202,220.40
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Solution
The fourth proportional to 245,960.40, 368,940.60 and 202,220.40 is: 303,330.60
Step by Step Solution
- Step 1: Write the proportion equation
245,960.40 : 368,940.60 = 202,220.40 : x - Step 2: Convert to fraction form
245,960.40/368,940.60 = 202,220.40/x - Step 3: Cross multiply
245,960.40x = 368,940.60 × 202,220.40 - Step 4: Simplify right side
245,960.40x = 74,607,315,708.24 - Step 5: Solve for x
x = 74,607,315,708.24/245,960.40 - Step 6: Final answer
x = 303,330.60
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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.