Finding the Fourth Proportional to 670,446.96, 1,005,808.99 and 221,195.31
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Solution
The fourth proportional to 670,446.96, 1,005,808.99 and 221,195.31 is: 331,838.68
Step by Step Solution
- Step 1: Write the proportion equation
670,446.96 : 1,005,808.99 = 221,195.31 : x - Step 2: Convert to fraction form
670,446.96/1,005,808.99 = 221,195.31/x - Step 3: Cross multiply
670,446.96x = 1,005,808.99 × 221,195.31 - Step 4: Simplify right side
670,446.96x = 222,480,231,343.84 - Step 5: Solve for x
x = 222,480,231,343.84/670,446.96 - Step 6: Final answer
x = 331,838.68
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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.