Finding the Fourth Proportional to 354,708.24, 489,497.16 and 203,804.88
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Solution
The fourth proportional to 354,708.24, 489,497.16 and 203,804.88 is: 281,250.61
Step by Step Solution
- Step 1: Write the proportion equation
354,708.24 : 489,497.16 = 203,804.88 : x - Step 2: Convert to fraction form
354,708.24/489,497.16 = 203,804.88/x - Step 3: Cross multiply
354,708.24x = 489,497.16 × 203,804.88 - Step 4: Simplify right side
354,708.24x = 99,761,909,954.14 - Step 5: Solve for x
x = 99,761,909,954.14/354,708.24 - Step 6: Final answer
x = 281,250.61
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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.