Finding the Fourth Proportional to 362,961.91, 543,378.26 and 254,515.29
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Solution
The fourth proportional to 362,961.91, 543,378.26 and 254,515.29 is: 381,026.40
Step by Step Solution
- Step 1: Write the proportion equation
362,961.91 : 543,378.26 = 254,515.29 : x - Step 2: Convert to fraction form
362,961.91/543,378.26 = 254,515.29/x - Step 3: Cross multiply
362,961.91x = 543,378.26 × 254,515.29 - Step 4: Simplify right side
362,961.91x = 138,298,071,434.13 - Step 5: Solve for x
x = 138,298,071,434.13/362,961.91 - Step 6: Final answer
x = 381,026.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.