Finding the Fourth Proportional to 324,483.48, 486,849.84 and 228,512.79
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Solution
The fourth proportional to 324,483.48, 486,849.84 and 228,512.79 is: 342,856.95
Step by Step Solution
- Step 1: Write the proportion equation
324,483.48 : 486,849.84 = 228,512.79 : x - Step 2: Convert to fraction form
324,483.48/486,849.84 = 228,512.79/x - Step 3: Cross multiply
324,483.48x = 486,849.84 × 228,512.79 - Step 4: Simplify right side
324,483.48x = 111,251,415,249.45 - Step 5: Solve for x
x = 111,251,415,249.45/324,483.48 - Step 6: Final answer
x = 342,856.95
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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.