Finding the Fourth Proportional to 445,247.70, 667,936.35 and 145,655.70
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Solution
The fourth proportional to 445,247.70, 667,936.35 and 145,655.70 is: 218,504.75
Step by Step Solution
- Step 1: Write the proportion equation
445,247.70 : 667,936.35 = 145,655.70 : x - Step 2: Convert to fraction form
445,247.70/667,936.35 = 145,655.70/x - Step 3: Cross multiply
445,247.70x = 667,936.35 × 145,655.70 - Step 4: Simplify right side
445,247.70x = 97,288,736,614.70 - Step 5: Solve for x
x = 97,288,736,614.70/445,247.70 - Step 6: Final answer
x = 218,504.75
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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.