Finding the Fourth Proportional to 206,420.70, 310,330.95 and 164,832.06
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Solution
The fourth proportional to 206,420.70, 310,330.95 and 164,832.06 is: 247,806.98
Step by Step Solution
- Step 1: Write the proportion equation
206,420.70 : 310,330.95 = 164,832.06 : x - Step 2: Convert to fraction form
206,420.70/310,330.95 = 164,832.06/x - Step 3: Cross multiply
206,420.70x = 310,330.95 × 164,832.06 - Step 4: Simplify right side
206,420.70x = 51,152,489,770.26 - Step 5: Solve for x
x = 51,152,489,770.26/206,420.70 - Step 6: Final answer
x = 247,806.98
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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.