Finding the Fourth Proportional to 454,466.40, 681,699.60 and 134,629.80
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Solution
The fourth proportional to 454,466.40, 681,699.60 and 134,629.80 is: 201,944.70
Step by Step Solution
- Step 1: Write the proportion equation
454,466.40 : 681,699.60 = 134,629.80 : x - Step 2: Convert to fraction form
454,466.40/681,699.60 = 134,629.80/x - Step 3: Cross multiply
454,466.40x = 681,699.60 × 134,629.80 - Step 4: Simplify right side
454,466.40x = 91,777,080,808.08 - Step 5: Solve for x
x = 91,777,080,808.08/454,466.40 - Step 6: Final answer
x = 201,944.70
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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.