Finding the Fourth Proportional to 508,079.72, 701,126.28 and 293,288.99
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Solution
The fourth proportional to 508,079.72, 701,126.28 and 293,288.99 is: 404,725.11
Step by Step Solution
- Step 1: Write the proportion equation
508,079.72 : 701,126.28 = 293,288.99 : x - Step 2: Convert to fraction form
508,079.72/701,126.28 = 293,288.99/x - Step 3: Cross multiply
508,079.72x = 701,126.28 × 293,288.99 - Step 4: Simplify right side
508,079.72x = 205,632,618,523.66 - Step 5: Solve for x
x = 205,632,618,523.66/508,079.72 - Step 6: Final answer
x = 404,725.11
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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.