Finding the Fourth Proportional to 412,806.00, 619,130.69 and 128,500.09
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Solution
The fourth proportional to 412,806.00, 619,130.69 and 128,500.09 is: 192,725.75
Step by Step Solution
- Step 1: Write the proportion equation
412,806.00 : 619,130.69 = 128,500.09 : x - Step 2: Convert to fraction form
412,806.00/619,130.69 = 128,500.09/x - Step 3: Cross multiply
412,806.00x = 619,130.69 × 128,500.09 - Step 4: Simplify right side
412,806.00x = 79,558,347,678.31 - Step 5: Solve for x
x = 79,558,347,678.31/412,806.00 - Step 6: Final answer
x = 192,725.75
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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.