Finding the Fourth Proportional to 557,291.20, 835,936.80 and 202,316.80
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Solution
The fourth proportional to 557,291.20, 835,936.80 and 202,316.80 is: 303,475.20
Step by Step Solution
- Step 1: Write the proportion equation
557,291.20 : 835,936.80 = 202,316.80 : x - Step 2: Convert to fraction form
557,291.20/835,936.80 = 202,316.80/x - Step 3: Cross multiply
557,291.20x = 835,936.80 × 202,316.80 - Step 4: Simplify right side
557,291.20x = 169,124,058,378.24 - Step 5: Solve for x
x = 169,124,058,378.24/557,291.20 - Step 6: Final answer
x = 303,475.20
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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.