Finding the Fourth Proportional to 438,876.83, 658,305.53 and 202,219.44
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Solution
The fourth proportional to 438,876.83, 658,305.53 and 202,219.44 is: 303,324.68
Step by Step Solution
- Step 1: Write the proportion equation
438,876.83 : 658,305.53 = 202,219.44 : x - Step 2: Convert to fraction form
438,876.83/658,305.53 = 202,219.44/x - Step 3: Cross multiply
438,876.83x = 658,305.53 × 202,219.44 - Step 4: Simplify right side
438,876.83x = 133,122,172,904.08 - Step 5: Solve for x
x = 133,122,172,904.08/438,876.83 - Step 6: Final answer
x = 303,324.68
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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.