Finding the Fourth Proportional to 193,108.80, 290,440.80 and 172,891.20
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Solution
The fourth proportional to 193,108.80, 290,440.80 and 172,891.20 is: 260,032.99
Step by Step Solution
- Step 1: Write the proportion equation
193,108.80 : 290,440.80 = 172,891.20 : x - Step 2: Convert to fraction form
193,108.80/290,440.80 = 172,891.20/x - Step 3: Cross multiply
193,108.80x = 290,440.80 × 172,891.20 - Step 4: Simplify right side
193,108.80x = 50,214,658,440.96 - Step 5: Solve for x
x = 50,214,658,440.96/193,108.80 - Step 6: Final answer
x = 260,032.99
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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.