Finding the Fourth Proportional to 499,731.63, 749,265.26 and 275,197.80
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Solution
The fourth proportional to 499,731.63, 749,265.26 and 275,197.80 is: 412,613.77
Step by Step Solution
- Step 1: Write the proportion equation
499,731.63 : 749,265.26 = 275,197.80 : x - Step 2: Convert to fraction form
499,731.63/749,265.26 = 275,197.80/x - Step 3: Cross multiply
499,731.63x = 749,265.26 × 275,197.80 - Step 4: Simplify right side
499,731.63x = 206,196,149,792.44 - Step 5: Solve for x
x = 206,196,149,792.44/499,731.63 - Step 6: Final answer
x = 412,613.77
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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.