Finding the Fourth Proportional to 282,437.24, 423,659.29 and 82,761.68
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Solution
The fourth proportional to 282,437.24, 423,659.29 and 82,761.68 is: 124,143.52
Step by Step Solution
- Step 1: Write the proportion equation
282,437.24 : 423,659.29 = 82,761.68 : x - Step 2: Convert to fraction form
282,437.24/423,659.29 = 82,761.68/x - Step 3: Cross multiply
282,437.24x = 423,659.29 × 82,761.68 - Step 4: Simplify right side
282,437.24x = 35,062,752,055.90 - Step 5: Solve for x
x = 35,062,752,055.90/282,437.24 - Step 6: Final answer
x = 124,143.52
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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.