Finding the Fourth Proportional to 326,375.76, 489,567.96 and 126,707.52
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Solution
The fourth proportional to 326,375.76, 489,567.96 and 126,707.52 is: 190,062.96
Step by Step Solution
- Step 1: Write the proportion equation
326,375.76 : 489,567.96 = 126,707.52 : x - Step 2: Convert to fraction form
326,375.76/489,567.96 = 126,707.52/x - Step 3: Cross multiply
326,375.76x = 489,567.96 × 126,707.52 - Step 4: Simplify right side
326,375.76x = 62,031,942,083.06 - Step 5: Solve for x
x = 62,031,942,083.06/326,375.76 - Step 6: Final answer
x = 190,062.96
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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.