Finding the Fourth Proportional to 164,517.80, 246,776.70 and 102,309.80
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Solution
The fourth proportional to 164,517.80, 246,776.70 and 102,309.80 is: 153,464.70
Step by Step Solution
- Step 1: Write the proportion equation
164,517.80 : 246,776.70 = 102,309.80 : x - Step 2: Convert to fraction form
164,517.80/246,776.70 = 102,309.80/x - Step 3: Cross multiply
164,517.80x = 246,776.70 × 102,309.80 - Step 4: Simplify right side
164,517.80x = 25,247,674,821.66 - Step 5: Solve for x
x = 25,247,674,821.66/164,517.80 - Step 6: Final answer
x = 153,464.70
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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.