Finding the Fourth Proportional to 455,438.28, 681,471.57 and 365,205.06
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Solution
The fourth proportional to 455,438.28, 681,471.57 and 365,205.06 is: 546,455.75
Step by Step Solution
- Step 1: Write the proportion equation
455,438.28 : 681,471.57 = 365,205.06 : x - Step 2: Convert to fraction form
455,438.28/681,471.57 = 365,205.06/x - Step 3: Cross multiply
455,438.28x = 681,471.57 × 365,205.06 - Step 4: Simplify right side
455,438.28x = 248,876,865,610.14 - Step 5: Solve for x
x = 248,876,865,610.14/455,438.28 - Step 6: Final answer
x = 546,455.75
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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.