Finding the Fourth Proportional to 481,395.88, 664,336.67 and 263,613.75
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Solution
The fourth proportional to 481,395.88, 664,336.67 and 263,613.75 is: 363,792.65
Step by Step Solution
- Step 1: Write the proportion equation
481,395.88 : 664,336.67 = 263,613.75 : x - Step 2: Convert to fraction form
481,395.88/664,336.67 = 263,613.75/x - Step 3: Cross multiply
481,395.88x = 664,336.67 × 263,613.75 - Step 4: Simplify right side
481,395.88x = 175,128,280,841.21 - Step 5: Solve for x
x = 175,128,280,841.21/481,395.88 - Step 6: Final answer
x = 363,792.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.