Finding the Fourth Proportional to 194,688.47, 268,619.30 and 114,072.68
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Solution
The fourth proportional to 194,688.47, 268,619.30 and 114,072.68 is: 157,390.53
Step by Step Solution
- Step 1: Write the proportion equation
194,688.47 : 268,619.30 = 114,072.68 : x - Step 2: Convert to fraction form
194,688.47/268,619.30 = 114,072.68/x - Step 3: Cross multiply
194,688.47x = 268,619.30 × 114,072.68 - Step 4: Simplify right side
194,688.47x = 30,642,121,537.26 - Step 5: Solve for x
x = 30,642,121,537.26/194,688.47 - Step 6: Final answer
x = 157,390.53
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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.