Finding the Fourth Proportional to 490,735.68, 736,103.28 and 158,311.68
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Solution
The fourth proportional to 490,735.68, 736,103.28 and 158,311.68 is: 237,467.44
Step by Step Solution
- Step 1: Write the proportion equation
490,735.68 : 736,103.28 = 158,311.68 : x - Step 2: Convert to fraction form
490,735.68/736,103.28 = 158,311.68/x - Step 3: Cross multiply
490,735.68x = 736,103.28 × 158,311.68 - Step 4: Simplify right side
490,735.68x = 116,533,746,910.31 - Step 5: Solve for x
x = 116,533,746,910.31/490,735.68 - Step 6: Final answer
x = 237,467.44
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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.