Finding the Fourth Proportional to 324,529.15, 486,799.99 and 99,889.35
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Solution
The fourth proportional to 324,529.15, 486,799.99 and 99,889.35 is: 149,835.95
Step by Step Solution
- Step 1: Write the proportion equation
324,529.15 : 486,799.99 = 99,889.35 : x - Step 2: Convert to fraction form
324,529.15/486,799.99 = 99,889.35/x - Step 3: Cross multiply
324,529.15x = 486,799.99 × 99,889.35 - Step 4: Simplify right side
324,529.15x = 48,626,134,581.11 - Step 5: Solve for x
x = 48,626,134,581.11/324,529.15 - Step 6: Final answer
x = 149,835.95
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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.