Finding the Fourth Proportional to 413,603.28, 570,627.18 and 270,447.12
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Solution
The fourth proportional to 413,603.28, 570,627.18 and 270,447.12 is: 373,121.99
Step by Step Solution
- Step 1: Write the proportion equation
413,603.28 : 570,627.18 = 270,447.12 : x - Step 2: Convert to fraction form
413,603.28/570,627.18 = 270,447.12/x - Step 3: Cross multiply
413,603.28x = 570,627.18 × 270,447.12 - Step 4: Simplify right side
413,603.28x = 154,324,477,424.72 - Step 5: Solve for x
x = 154,324,477,424.72/413,603.28 - Step 6: Final answer
x = 373,121.99
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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.