Finding the Fourth Proportional to 518,157.13, 777,235.69 and 202,392.60
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Solution
The fourth proportional to 518,157.13, 777,235.69 and 202,392.60 is: 303,588.90
Step by Step Solution
- Step 1: Write the proportion equation
518,157.13 : 777,235.69 = 202,392.60 : x - Step 2: Convert to fraction form
518,157.13/777,235.69 = 202,392.60/x - Step 3: Cross multiply
518,157.13x = 777,235.69 × 202,392.60 - Step 4: Simplify right side
518,157.13x = 157,306,751,605.91 - Step 5: Solve for x
x = 157,306,751,605.91/518,157.13 - Step 6: Final answer
x = 303,588.90
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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.