Finding the Fourth Proportional to 183,865.64, 253,821.44 and 122,713.08
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Solution
The fourth proportional to 183,865.64, 253,821.44 and 122,713.08 is: 169,402.02
Step by Step Solution
- Step 1: Write the proportion equation
183,865.64 : 253,821.44 = 122,713.08 : x - Step 2: Convert to fraction form
183,865.64/253,821.44 = 122,713.08/x - Step 3: Cross multiply
183,865.64x = 253,821.44 × 122,713.08 - Step 4: Simplify right side
183,865.64x = 31,147,210,672.44 - Step 5: Solve for x
x = 31,147,210,672.44/183,865.64 - Step 6: Final answer
x = 169,402.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.