Finding the Fourth Proportional to 557,621.20, 836,431.80 and 202,646.80
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Solution
The fourth proportional to 557,621.20, 836,431.80 and 202,646.80 is: 303,970.20
Step by Step Solution
- Step 1: Write the proportion equation
557,621.20 : 836,431.80 = 202,646.80 : x - Step 2: Convert to fraction form
557,621.20/836,431.80 = 202,646.80/x - Step 3: Cross multiply
557,621.20x = 836,431.80 × 202,646.80 - Step 4: Simplify right side
557,621.20x = 169,500,227,688.24 - Step 5: Solve for x
x = 169,500,227,688.24/557,621.20 - Step 6: Final answer
x = 303,970.20
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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.