Finding the Fourth Proportional to 258,687.20, 388,014.80 and 96,549.68
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Solution
The fourth proportional to 258,687.20, 388,014.80 and 96,549.68 is: 144,818.54
Step by Step Solution
- Step 1: Write the proportion equation
258,687.20 : 388,014.80 = 96,549.68 : x - Step 2: Convert to fraction form
258,687.20/388,014.80 = 96,549.68/x - Step 3: Cross multiply
258,687.20x = 388,014.80 × 96,549.68 - Step 4: Simplify right side
258,687.20x = 37,462,702,352.44 - Step 5: Solve for x
x = 37,462,702,352.44/258,687.20 - Step 6: Final answer
x = 144,818.54
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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.