Finding the Fourth Proportional to 557,243.20, 835,864.80 and 202,268.80
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Solution
The fourth proportional to 557,243.20, 835,864.80 and 202,268.80 is: 303,403.20
Step by Step Solution
- Step 1: Write the proportion equation
557,243.20 : 835,864.80 = 202,268.80 : x - Step 2: Convert to fraction form
557,243.20/835,864.80 = 202,268.80/x - Step 3: Cross multiply
557,243.20x = 835,864.80 × 202,268.80 - Step 4: Simplify right side
557,243.20x = 169,069,370,058.24 - Step 5: Solve for x
x = 169,069,370,058.24/557,243.20 - Step 6: Final answer
x = 303,403.20
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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.