Finding the Fourth Proportional to 339,398.17, 509,207.84 and 161,882.08
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Solution
The fourth proportional to 339,398.17, 509,207.84 and 161,882.08 is: 242,875.86
Step by Step Solution
- Step 1: Write the proportion equation
339,398.17 : 509,207.84 = 161,882.08 : x - Step 2: Convert to fraction form
339,398.17/509,207.84 = 161,882.08/x - Step 3: Cross multiply
339,398.17x = 509,207.84 × 161,882.08 - Step 4: Simplify right side
339,398.17x = 82,431,620,936.06 - Step 5: Solve for x
x = 82,431,620,936.06/339,398.17 - Step 6: Final answer
x = 242,875.86
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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.