Finding the Fourth Proportional to 302,059.14, 416,934.54 and 194,628.84
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Solution
The fourth proportional to 302,059.14, 416,934.54 and 194,628.84 is: 268,647.68
Step by Step Solution
- Step 1: Write the proportion equation
302,059.14 : 416,934.54 = 194,628.84 : x - Step 2: Convert to fraction form
302,059.14/416,934.54 = 194,628.84/x - Step 3: Cross multiply
302,059.14x = 416,934.54 × 194,628.84 - Step 4: Simplify right side
302,059.14x = 81,147,485,876.13 - Step 5: Solve for x
x = 81,147,485,876.13/302,059.14 - Step 6: Final answer
x = 268,647.68
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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.