Finding the Fourth Proportional to 196,693.90, 294,849.34 and 125,394.05
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Solution
The fourth proportional to 196,693.90, 294,849.34 and 125,394.05 is: 187,968.99
Step by Step Solution
- Step 1: Write the proportion equation
196,693.90 : 294,849.34 = 125,394.05 : x - Step 2: Convert to fraction form
196,693.90/294,849.34 = 125,394.05/x - Step 3: Cross multiply
196,693.90x = 294,849.34 × 125,394.05 - Step 4: Simplify right side
196,693.90x = 36,972,353,306.07 - Step 5: Solve for x
x = 36,972,353,306.07/196,693.90 - Step 6: Final answer
x = 187,968.99
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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.