Finding the Fourth Proportional to 281,059.06, 388,021.98 and 185,841.94
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Solution
The fourth proportional to 281,059.06, 388,021.98 and 185,841.94 is: 256,567.99
Step by Step Solution
- Step 1: Write the proportion equation
281,059.06 : 388,021.98 = 185,841.94 : x - Step 2: Convert to fraction form
281,059.06/388,021.98 = 185,841.94/x - Step 3: Cross multiply
281,059.06x = 388,021.98 × 185,841.94 - Step 4: Simplify right side
281,059.06x = 72,110,757,525.84 - Step 5: Solve for x
x = 72,110,757,525.84/281,059.06 - Step 6: Final answer
x = 256,567.99
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1.5x scale
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.