Finding the Fourth Proportional to 355,554.56, 490,680.54 and 194,399.99
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Solution
The fourth proportional to 355,554.56, 490,680.54 and 194,399.99 is: 268,280.32
Step by Step Solution
- Step 1: Write the proportion equation
355,554.56 : 490,680.54 = 194,399.99 : x - Step 2: Convert to fraction form
355,554.56/490,680.54 = 194,399.99/x - Step 3: Cross multiply
355,554.56x = 490,680.54 × 194,399.99 - Step 4: Simplify right side
355,554.56x = 95,388,292,069.19 - Step 5: Solve for x
x = 95,388,292,069.19/355,554.56 - Step 6: Final answer
x = 268,280.32
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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.