Finding the Fourth Proportional to 282,633.64, 423,556.70 and 212,431.08
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Solution
The fourth proportional to 282,633.64, 423,556.70 and 212,431.08 is: 318,350.66
Step by Step Solution
- Step 1: Write the proportion equation
282,633.64 : 423,556.70 = 212,431.08 : x - Step 2: Convert to fraction form
282,633.64/423,556.70 = 212,431.08/x - Step 3: Cross multiply
282,633.64x = 423,556.70 × 212,431.08 - Step 4: Simplify right side
282,633.64x = 89,976,607,222.24 - Step 5: Solve for x
x = 89,976,607,222.24/282,633.64 - Step 6: Final answer
x = 318,350.66
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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.