Finding the Fourth Proportional to 128,251.00, 192,397.17 and 39,504.42
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Solution
The fourth proportional to 128,251.00, 192,397.17 and 39,504.42 is: 59,262.99
Step by Step Solution
- Step 1: Write the proportion equation
128,251.00 : 192,397.17 = 39,504.42 : x - Step 2: Convert to fraction form
128,251.00/192,397.17 = 39,504.42/x - Step 3: Cross multiply
128,251.00x = 192,397.17 × 39,504.42 - Step 4: Simplify right side
128,251.00x = 7,600,537,549.74 - Step 5: Solve for x
x = 7,600,537,549.74/128,251.00 - Step 6: Final answer
x = 59,262.99
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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.