Finding the Fourth Proportional to 480,751.45, 720,618.69 and 181,102.36
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Solution
The fourth proportional to 480,751.45, 720,618.69 and 181,102.36 is: 271,461.99
Step by Step Solution
- Step 1: Write the proportion equation
480,751.45 : 720,618.69 = 181,102.36 : x - Step 2: Convert to fraction form
480,751.45/720,618.69 = 181,102.36/x - Step 3: Cross multiply
480,751.45x = 720,618.69 × 181,102.36 - Step 4: Simplify right side
480,751.45x = 130,505,745,419.11 - Step 5: Solve for x
x = 130,505,745,419.11/480,751.45 - Step 6: Final answer
x = 271,461.99
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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.