Finding the Fourth Proportional to 508,078.72, 701,124.90 and 293,287.99
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Solution
The fourth proportional to 508,078.72, 701,124.90 and 293,287.99 is: 404,723.73
Step by Step Solution
- Step 1: Write the proportion equation
508,078.72 : 701,124.90 = 293,287.99 : x - Step 2: Convert to fraction form
508,078.72/701,124.90 = 293,287.99/x - Step 3: Cross multiply
508,078.72x = 701,124.90 × 293,287.99 - Step 4: Simplify right side
508,078.72x = 205,631,512,659.95 - Step 5: Solve for x
x = 205,631,512,659.95/508,078.72 - Step 6: Final answer
x = 404,723.73
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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.