Finding the Fourth Proportional to 667,651.01, 921,358.50 and 361,729.50
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Solution
The fourth proportional to 667,651.01, 921,358.50 and 361,729.50 is: 499,186.76
Step by Step Solution
- Step 1: Write the proportion equation
667,651.01 : 921,358.50 = 361,729.50 : x - Step 2: Convert to fraction form
667,651.01/921,358.50 = 361,729.50/x - Step 3: Cross multiply
667,651.01x = 921,358.50 × 361,729.50 - Step 4: Simplify right side
667,651.01x = 333,282,544,714.17 - Step 5: Solve for x
x = 333,282,544,714.17/667,651.01 - Step 6: Final answer
x = 499,186.76
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1.5x scale
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.