Finding the Fourth Proportional to 468,205.22, 646,121.13 and 253,349.09
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Solution
The fourth proportional to 468,205.22, 646,121.13 and 253,349.09 is: 349,620.62
Step by Step Solution
- Step 1: Write the proportion equation
468,205.22 : 646,121.13 = 253,349.09 : x - Step 2: Convert to fraction form
468,205.22/646,121.13 = 253,349.09/x - Step 3: Cross multiply
468,205.22x = 646,121.13 × 253,349.09 - Step 4: Simplify right side
468,205.22x = 163,694,200,315.27 - Step 5: Solve for x
x = 163,694,200,315.27/468,205.22 - Step 6: Final answer
x = 349,620.62
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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.