Finding the Fourth Proportional to 557,465.20, 836,197.80 and 202,490.80
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Solution
The fourth proportional to 557,465.20, 836,197.80 and 202,490.80 is: 303,736.20
Step by Step Solution
- Step 1: Write the proportion equation
557,465.20 : 836,197.80 = 202,490.80 : x - Step 2: Convert to fraction form
557,465.20/836,197.80 = 202,490.80/x - Step 3: Cross multiply
557,465.20x = 836,197.80 × 202,490.80 - Step 4: Simplify right side
557,465.20x = 169,322,361,480.24 - Step 5: Solve for x
x = 169,322,361,480.24/557,465.20 - Step 6: Final answer
x = 303,736.20
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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.