Finding the Fourth Proportional to 324,800.15, 487,261.67 and 147,321.05
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Solution
The fourth proportional to 324,800.15, 487,261.67 and 147,321.05 is: 221,009.44
Step by Step Solution
- Step 1: Write the proportion equation
324,800.15 : 487,261.67 = 147,321.05 : x - Step 2: Convert to fraction form
324,800.15/487,261.67 = 147,321.05/x - Step 3: Cross multiply
324,800.15x = 487,261.67 × 147,321.05 - Step 4: Simplify right side
324,800.15x = 71,783,897,676.24 - Step 5: Solve for x
x = 71,783,897,676.24/324,800.15 - Step 6: Final answer
x = 221,009.44
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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.