Finding the Fourth Proportional to 202,262.90, 303,148.35 and 143,115.62
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Solution
The fourth proportional to 202,262.90, 303,148.35 and 143,115.62 is: 214,499.37
Step by Step Solution
- Step 1: Write the proportion equation
202,262.90 : 303,148.35 = 143,115.62 : x - Step 2: Convert to fraction form
202,262.90/303,148.35 = 143,115.62/x - Step 3: Cross multiply
202,262.90x = 303,148.35 × 143,115.62 - Step 4: Simplify right side
202,262.90x = 43,385,264,062.23 - Step 5: Solve for x
x = 43,385,264,062.23/202,262.90 - Step 6: Final answer
x = 214,499.37
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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.