Finding the Fourth Proportional to 672,207.34, 1,007,530.98 and 272,350.84
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Solution
The fourth proportional to 672,207.34, 1,007,530.98 and 272,350.84 is: 408,210.22
Step by Step Solution
- Step 1: Write the proportion equation
672,207.34 : 1,007,530.98 = 272,350.84 : x - Step 2: Convert to fraction form
672,207.34/1,007,530.98 = 272,350.84/x - Step 3: Cross multiply
672,207.34x = 1,007,530.98 × 272,350.84 - Step 4: Simplify right side
672,207.34x = 274,401,908,729.02 - Step 5: Solve for x
x = 274,401,908,729.02/672,207.34 - Step 6: Final answer
x = 408,210.22
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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.