Finding the Fourth Proportional to 617,939.84, 926,571.12 and 191,357.24
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Solution
The fourth proportional to 617,939.84, 926,571.12 and 191,357.24 is: 286,930.99
Step by Step Solution
- Step 1: Write the proportion equation
617,939.84 : 926,571.12 = 191,357.24 : x - Step 2: Convert to fraction form
617,939.84/926,571.12 = 191,357.24/x - Step 3: Cross multiply
617,939.84x = 926,571.12 × 191,357.24 - Step 4: Simplify right side
617,939.84x = 177,306,093,785.75 - Step 5: Solve for x
x = 177,306,093,785.75/617,939.84 - Step 6: Final answer
x = 286,930.99
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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.