Finding the Fourth Proportional to 468,257.22, 646,197.84 and 274,625.46
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Solution
The fourth proportional to 468,257.22, 646,197.84 and 274,625.46 is: 378,984.82
Step by Step Solution
- Step 1: Write the proportion equation
468,257.22 : 646,197.84 = 274,625.46 : x - Step 2: Convert to fraction form
468,257.22/646,197.84 = 274,625.46/x - Step 3: Cross multiply
468,257.22x = 646,197.84 × 274,625.46 - Step 4: Simplify right side
468,257.22x = 177,462,379,061.01 - Step 5: Solve for x
x = 177,462,379,061.01/468,257.22 - Step 6: Final answer
x = 378,984.82
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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.