Finding the Fourth Proportional to 258,959.36, 388,306.56 and 118,597.70
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Solution
The fourth proportional to 258,959.36, 388,306.56 and 118,597.70 is: 177,835.88
Step by Step Solution
- Step 1: Write the proportion equation
258,959.36 : 388,306.56 = 118,597.70 : x - Step 2: Convert to fraction form
258,959.36/388,306.56 = 118,597.70/x - Step 3: Cross multiply
258,959.36x = 388,306.56 × 118,597.70 - Step 4: Simplify right side
258,959.36x = 46,052,264,910.91 - Step 5: Solve for x
x = 46,052,264,910.91/258,959.36 - Step 6: Final answer
x = 177,835.88
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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.