Finding the Fourth Proportional to 164,140.74, 246,211.11 and 39,481.74
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Solution
The fourth proportional to 164,140.74, 246,211.11 and 39,481.74 is: 59,222.61
Step by Step Solution
- Step 1: Write the proportion equation
164,140.74 : 246,211.11 = 39,481.74 : x - Step 2: Convert to fraction form
164,140.74/246,211.11 = 39,481.74/x - Step 3: Cross multiply
164,140.74x = 246,211.11 × 39,481.74 - Step 4: Simplify right side
164,140.74x = 9,720,843,030.13 - Step 5: Solve for x
x = 9,720,843,030.13/164,140.74 - Step 6: Final answer
x = 59,222.61
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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.