Finding the Fourth Proportional to 483,813.99, 667,588.57 and 279,883.88
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Solution
The fourth proportional to 483,813.99, 667,588.57 and 279,883.88 is: 386,196.52
Step by Step Solution
- Step 1: Write the proportion equation
483,813.99 : 667,588.57 = 279,883.88 : x - Step 2: Convert to fraction form
483,813.99/667,588.57 = 279,883.88/x - Step 3: Cross multiply
483,813.99x = 667,588.57 × 279,883.88 - Step 4: Simplify right side
483,813.99x = 186,847,279,558.65 - Step 5: Solve for x
x = 186,847,279,558.65/483,813.99 - Step 6: Final answer
x = 386,196.52
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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.