Finding the Fourth Proportional to 574,711.74, 862,106.49 and 219,763.26
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Solution
The fourth proportional to 574,711.74, 862,106.49 and 219,763.26 is: 329,659.76
Step by Step Solution
- Step 1: Write the proportion equation
574,711.74 : 862,106.49 = 219,763.26 : x - Step 2: Convert to fraction form
574,711.74/862,106.49 = 219,763.26/x - Step 3: Cross multiply
574,711.74x = 862,106.49 × 219,763.26 - Step 4: Simplify right side
574,711.74x = 189,459,332,709.56 - Step 5: Solve for x
x = 189,459,332,709.56/574,711.74 - Step 6: Final answer
x = 329,659.76
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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.