Finding the Fourth Proportional to 164,549.40, 246,629.70 and 122,947.80
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Solution
The fourth proportional to 164,549.40, 246,629.70 and 122,947.80 is: 184,276.45
Step by Step Solution
- Step 1: Write the proportion equation
164,549.40 : 246,629.70 = 122,947.80 : x - Step 2: Convert to fraction form
164,549.40/246,629.70 = 122,947.80/x - Step 3: Cross multiply
164,549.40x = 246,629.70 × 122,947.80 - Step 4: Simplify right side
164,549.40x = 30,322,579,029.66 - Step 5: Solve for x
x = 30,322,579,029.66/164,549.40 - Step 6: Final answer
x = 184,276.45
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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.