Finding the Fourth Proportional to 145,596.21, 218,292.99 and 64,499.19
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Solution
The fourth proportional to 145,596.21, 218,292.99 and 64,499.19 is: 96,703.90
Step by Step Solution
- Step 1: Write the proportion equation
145,596.21 : 218,292.99 = 64,499.19 : x - Step 2: Convert to fraction form
145,596.21/218,292.99 = 64,499.19/x - Step 3: Cross multiply
145,596.21x = 218,292.99 × 64,499.19 - Step 4: Simplify right side
145,596.21x = 14,079,721,037.68 - Step 5: Solve for x
x = 14,079,721,037.68/145,596.21 - Step 6: Final answer
x = 96,703.90
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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.