Finding the Fourth Proportional to 258,232.98, 387,371.80 and 71,244.48
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Solution
The fourth proportional to 258,232.98, 387,371.80 and 71,244.48 is: 106,872.88
Step by Step Solution
- Step 1: Write the proportion equation
258,232.98 : 387,371.80 = 71,244.48 : x - Step 2: Convert to fraction form
258,232.98/387,371.80 = 71,244.48/x - Step 3: Cross multiply
258,232.98x = 387,371.80 × 71,244.48 - Step 4: Simplify right side
258,232.98x = 27,598,102,457.66 - Step 5: Solve for x
x = 27,598,102,457.66/258,232.98 - Step 6: Final answer
x = 106,872.88
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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.