Finding the Fourth Proportional to 282,043.04, 423,104.16 and 82,378.08
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Solution
The fourth proportional to 282,043.04, 423,104.16 and 82,378.08 is: 123,578.69
Step by Step Solution
- Step 1: Write the proportion equation
282,043.04 : 423,104.16 = 82,378.08 : x - Step 2: Convert to fraction form
282,043.04/423,104.16 = 82,378.08/x - Step 3: Cross multiply
282,043.04x = 423,104.16 × 82,378.08 - Step 4: Simplify right side
282,043.04x = 34,854,508,340.81 - Step 5: Solve for x
x = 34,854,508,340.81/282,043.04 - Step 6: Final answer
x = 123,578.69
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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.