Finding the Fourth Proportional to 282,344.87, 423,257.40 and 122,320.26
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Solution
The fourth proportional to 282,344.87, 423,257.40 and 122,320.26 is: 183,367.79
Step by Step Solution
- Step 1: Write the proportion equation
282,344.87 : 423,257.40 = 122,320.26 : x - Step 2: Convert to fraction form
282,344.87/423,257.40 = 122,320.26/x - Step 3: Cross multiply
282,344.87x = 423,257.40 × 122,320.26 - Step 4: Simplify right side
282,344.87x = 51,772,955,214.92 - Step 5: Solve for x
x = 51,772,955,214.92/282,344.87 - Step 6: Final answer
x = 183,367.79
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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.