Finding the Fourth Proportional to 415,285.44, 620,652.22 and 303,201.69
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Solution
The fourth proportional to 415,285.44, 620,652.22 and 303,201.69 is: 453,140.86
Step by Step Solution
- Step 1: Write the proportion equation
415,285.44 : 620,652.22 = 303,201.69 : x - Step 2: Convert to fraction form
415,285.44/620,652.22 = 303,201.69/x - Step 3: Cross multiply
415,285.44x = 620,652.22 × 303,201.69 - Step 4: Simplify right side
415,285.44x = 188,182,802,006.25 - Step 5: Solve for x
x = 188,182,802,006.25/415,285.44 - Step 6: Final answer
x = 453,140.86
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.