Finding the Fourth Proportional to 298,083.99, 447,245.46 and 108,557.55
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Solution
The fourth proportional to 298,083.99, 447,245.46 and 108,557.55 is: 162,879.84
Step by Step Solution
- Step 1: Write the proportion equation
298,083.99 : 447,245.46 = 108,557.55 : x - Step 2: Convert to fraction form
298,083.99/447,245.46 = 108,557.55/x - Step 3: Cross multiply
298,083.99x = 447,245.46 × 108,557.55 - Step 4: Simplify right side
298,083.99x = 48,551,871,386.22 - Step 5: Solve for x
x = 48,551,871,386.22/298,083.99 - Step 6: Final answer
x = 162,879.84
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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.