Finding the Fourth Proportional to 304,847.88, 420,689.26 and 168,882.09
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Solution
The fourth proportional to 304,847.88, 420,689.26 and 168,882.09 is: 233,056.83
Step by Step Solution
- Step 1: Write the proportion equation
304,847.88 : 420,689.26 = 168,882.09 : x - Step 2: Convert to fraction form
304,847.88/420,689.26 = 168,882.09/x - Step 3: Cross multiply
304,847.88x = 420,689.26 × 168,882.09 - Step 4: Simplify right side
304,847.88x = 71,046,881,469.35 - Step 5: Solve for x
x = 71,046,881,469.35/304,847.88 - Step 6: Final answer
x = 233,056.83
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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.