Finding the Fourth Proportional to 480,715.99, 721,018.90 and 125,764.27
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Solution
The fourth proportional to 480,715.99, 721,018.90 and 125,764.27 is: 188,631.99
Step by Step Solution
- Step 1: Write the proportion equation
480,715.99 : 721,018.90 = 125,764.27 : x - Step 2: Convert to fraction form
480,715.99/721,018.90 = 125,764.27/x - Step 3: Cross multiply
480,715.99x = 721,018.90 × 125,764.27 - Step 4: Simplify right side
480,715.99x = 90,678,411,380.79 - Step 5: Solve for x
x = 90,678,411,380.79/480,715.99 - Step 6: Final answer
x = 188,631.99
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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.