Finding the Fourth Proportional to 445,311.18, 667,913.42 and 125,487.02
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Solution
The fourth proportional to 445,311.18, 667,913.42 and 125,487.02 is: 188,215.50
Step by Step Solution
- Step 1: Write the proportion equation
445,311.18 : 667,913.42 = 125,487.02 : x - Step 2: Convert to fraction form
445,311.18/667,913.42 = 125,487.02/x - Step 3: Cross multiply
445,311.18x = 667,913.42 × 125,487.02 - Step 4: Simplify right side
445,311.18x = 83,814,464,693.81 - Step 5: Solve for x
x = 83,814,464,693.81/445,311.18 - Step 6: Final answer
x = 188,215.50
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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.