Finding the Fourth Proportional to 315,283.77, 435,091.59 and 202,106.52
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Solution
The fourth proportional to 315,283.77, 435,091.59 and 202,106.52 is: 278,906.99
Step by Step Solution
- Step 1: Write the proportion equation
315,283.77 : 435,091.59 = 202,106.52 : x - Step 2: Convert to fraction form
315,283.77/435,091.59 = 202,106.52/x - Step 3: Cross multiply
315,283.77x = 435,091.59 × 202,106.52 - Step 4: Simplify right side
315,283.77x = 87,934,847,136.17 - Step 5: Solve for x
x = 87,934,847,136.17/315,283.77 - Step 6: Final answer
x = 278,906.99
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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.