Finding the Fourth Proportional to 427,674.13, 641,324.35 and 203,098.93
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Solution
The fourth proportional to 427,674.13, 641,324.35 and 203,098.93 is: 304,559.66
Step by Step Solution
- Step 1: Write the proportion equation
427,674.13 : 641,324.35 = 203,098.93 : x - Step 2: Convert to fraction form
427,674.13/641,324.35 = 203,098.93/x - Step 3: Cross multiply
427,674.13x = 641,324.35 × 203,098.93 - Step 4: Simplify right side
427,674.13x = 130,252,289,267.95 - Step 5: Solve for x
x = 130,252,289,267.95/427,674.13 - Step 6: Final answer
x = 304,559.66
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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.