Finding the Fourth Proportional to 144,062.14, 198,800.53 and 79,529.99
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Solution
The fourth proportional to 144,062.14, 198,800.53 and 79,529.99 is: 109,748.51
Step by Step Solution
- Step 1: Write the proportion equation
144,062.14 : 198,800.53 = 79,529.99 : x - Step 2: Convert to fraction form
144,062.14/198,800.53 = 79,529.99/x - Step 3: Cross multiply
144,062.14x = 198,800.53 × 79,529.99 - Step 4: Simplify right side
144,062.14x = 15,810,604,908.43 - Step 5: Solve for x
x = 15,810,604,908.43/144,062.14 - Step 6: Final answer
x = 109,748.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.