Finding the Fourth Proportional to 462,400.43, 693,614.88 and 125,439.75
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Solution
The fourth proportional to 462,400.43, 693,614.88 and 125,439.75 is: 188,163.49
Step by Step Solution
- Step 1: Write the proportion equation
462,400.43 : 693,614.88 = 125,439.75 : x - Step 2: Convert to fraction form
462,400.43/693,614.88 = 125,439.75/x - Step 3: Cross multiply
462,400.43x = 693,614.88 × 125,439.75 - Step 4: Simplify right side
462,400.43x = 87,006,877,143.48 - Step 5: Solve for x
x = 87,006,877,143.48/462,400.43 - Step 6: Final answer
x = 188,163.49
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1.5x scale
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.