Finding the Fourth Proportional to 353,234.26, 487,476.09 and 202,360.42
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Solution
The fourth proportional to 353,234.26, 487,476.09 and 202,360.42 is: 279,264.72
Step by Step Solution
- Step 1: Write the proportion equation
353,234.26 : 487,476.09 = 202,360.42 : x - Step 2: Convert to fraction form
353,234.26/487,476.09 = 202,360.42/x - Step 3: Cross multiply
353,234.26x = 487,476.09 × 202,360.42 - Step 4: Simplify right side
353,234.26x = 98,645,866,312.36 - Step 5: Solve for x
x = 98,645,866,312.36/353,234.26 - Step 6: Final answer
x = 279,264.72
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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.