Finding the Fourth Proportional to 202,801.20, 304,201.80 and 171,697.20
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Solution
The fourth proportional to 202,801.20, 304,201.80 and 171,697.20 is: 257,545.80
Step by Step Solution
- Step 1: Write the proportion equation
202,801.20 : 304,201.80 = 171,697.20 : x - Step 2: Convert to fraction form
202,801.20/304,201.80 = 171,697.20/x - Step 3: Cross multiply
202,801.20x = 304,201.80 × 171,697.20 - Step 4: Simplify right side
202,801.20x = 52,230,597,294.96 - Step 5: Solve for x
x = 52,230,597,294.96/202,801.20 - Step 6: Final answer
x = 257,545.80
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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.