Finding the Fourth Proportional to 295,777.12, 408,175.44 and 161,641.12
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Solution
The fourth proportional to 295,777.12, 408,175.44 and 161,641.12 is: 223,066.39
Step by Step Solution
- Step 1: Write the proportion equation
295,777.12 : 408,175.44 = 161,641.12 : x - Step 2: Convert to fraction form
295,777.12/408,175.44 = 161,641.12/x - Step 3: Cross multiply
295,777.12x = 408,175.44 × 161,641.12 - Step 4: Simplify right side
295,777.12x = 65,977,935,278.09 - Step 5: Solve for x
x = 65,977,935,278.09/295,777.12 - Step 6: Final answer
x = 223,066.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.