Finding the Fourth Proportional to 519,733.13, 717,231.71 and 281,269.13
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Solution
The fourth proportional to 519,733.13, 717,231.71 and 281,269.13 is: 388,151.39
Step by Step Solution
- Step 1: Write the proportion equation
519,733.13 : 717,231.71 = 281,269.13 : x - Step 2: Convert to fraction form
519,733.13/717,231.71 = 281,269.13/x - Step 3: Cross multiply
519,733.13x = 717,231.71 × 281,269.13 - Step 4: Simplify right side
519,733.13x = 201,735,136,197.13 - Step 5: Solve for x
x = 201,735,136,197.13/519,733.13 - Step 6: Final answer
x = 388,151.39
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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.