Finding the Fourth Proportional to 377,609.12, 521,080.80 and 207,810.80
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Solution
The fourth proportional to 377,609.12, 521,080.80 and 207,810.80 is: 286,768.02
Step by Step Solution
- Step 1: Write the proportion equation
377,609.12 : 521,080.80 = 207,810.80 : x - Step 2: Convert to fraction form
377,609.12/521,080.80 = 207,810.80/x - Step 3: Cross multiply
377,609.12x = 521,080.80 × 207,810.80 - Step 4: Simplify right side
377,609.12x = 108,286,217,912.64 - Step 5: Solve for x
x = 108,286,217,912.64/377,609.12 - Step 6: Final answer
x = 286,768.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.