Finding the Fourth Proportional to 194,919.73, 268,991.47 and 114,348.63
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Solution
The fourth proportional to 194,919.73, 268,991.47 and 114,348.63 is: 157,802.42
Step by Step Solution
- Step 1: Write the proportion equation
194,919.73 : 268,991.47 = 114,348.63 : x - Step 2: Convert to fraction form
194,919.73/268,991.47 = 114,348.63/x - Step 3: Cross multiply
194,919.73x = 268,991.47 × 114,348.63 - Step 4: Simplify right side
194,919.73x = 30,758,804,731.23 - Step 5: Solve for x
x = 30,758,804,731.23/194,919.73 - Step 6: Final answer
x = 157,802.42
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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.