Finding the Fourth Proportional to 253,267.74, 351,107.78 and 239,785.02
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Solution
The fourth proportional to 253,267.74, 351,107.78 and 239,785.02 is: 332,416.54
Step by Step Solution
- Step 1: Write the proportion equation
253,267.74 : 351,107.78 = 239,785.02 : x - Step 2: Convert to fraction form
253,267.74/351,107.78 = 239,785.02/x - Step 3: Cross multiply
253,267.74x = 351,107.78 × 239,785.02 - Step 4: Simplify right side
253,267.74x = 84,190,384,850.53 - Step 5: Solve for x
x = 84,190,384,850.53/253,267.74 - Step 6: Final answer
x = 332,416.54
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.