Finding the Fourth Proportional to 558,137.67, 836,243.60 and 305,599.92
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Solution
The fourth proportional to 558,137.67, 836,243.60 and 305,599.92 is: 457,872.65
Step by Step Solution
- Step 1: Write the proportion equation
558,137.67 : 836,243.60 = 305,599.92 : x - Step 2: Convert to fraction form
558,137.67/836,243.60 = 305,599.92/x - Step 3: Cross multiply
558,137.67x = 836,243.60 × 305,599.92 - Step 4: Simplify right side
558,137.67x = 255,555,971,551.29 - Step 5: Solve for x
x = 255,555,971,551.29/558,137.67 - Step 6: Final answer
x = 457,872.65
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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.