Finding the Fourth Proportional to 272,553.21, 376,119.63 and 151,694.53
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Solution
The fourth proportional to 272,553.21, 376,119.63 and 151,694.53 is: 209,336.34
Step by Step Solution
- Step 1: Write the proportion equation
272,553.21 : 376,119.63 = 151,694.53 : x - Step 2: Convert to fraction form
272,553.21/376,119.63 = 151,694.53/x - Step 3: Cross multiply
272,553.21x = 376,119.63 × 151,694.53 - Step 4: Simplify right side
272,553.21x = 57,055,290,496.62 - Step 5: Solve for x
x = 57,055,290,496.62/272,553.21 - Step 6: Final answer
x = 209,336.34
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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.