Finding the Fourth Proportional to 353,255.26, 487,505.10 and 202,381.42
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Solution
The fourth proportional to 353,255.26, 487,505.10 and 202,381.42 is: 279,293.72
Step by Step Solution
- Step 1: Write the proportion equation
353,255.26 : 487,505.10 = 202,381.42 : x - Step 2: Convert to fraction form
353,255.26/487,505.10 = 202,381.42/x - Step 3: Cross multiply
353,255.26x = 487,505.10 × 202,381.42 - Step 4: Simplify right side
353,255.26x = 98,661,974,395.24 - Step 5: Solve for x
x = 98,661,974,395.24/353,255.26 - Step 6: Final answer
x = 279,293.72
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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.