Finding the Fourth Proportional to 347,979.92, 480,204.29 and 202,776.45
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Solution
The fourth proportional to 347,979.92, 480,204.29 and 202,776.45 is: 279,826.84
Step by Step Solution
- Step 1: Write the proportion equation
347,979.92 : 480,204.29 = 202,776.45 : x - Step 2: Convert to fraction form
347,979.92/480,204.29 = 202,776.45/x - Step 3: Cross multiply
347,979.92x = 480,204.29 × 202,776.45 - Step 4: Simplify right side
347,979.92x = 97,374,120,187.09 - Step 5: Solve for x
x = 97,374,120,187.09/347,979.92 - Step 6: Final answer
x = 279,826.84
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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.