Finding the Fourth Proportional to 447,621.87, 670,833.84 and 219,568.80
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Solution
The fourth proportional to 447,621.87, 670,833.84 and 219,568.80 is: 329,059.39
Step by Step Solution
- Step 1: Write the proportion equation
447,621.87 : 670,833.84 = 219,568.80 : x - Step 2: Convert to fraction form
447,621.87/670,833.84 = 219,568.80/x - Step 3: Cross multiply
447,621.87x = 670,833.84 × 219,568.80 - Step 4: Simplify right side
447,621.87x = 147,294,181,248.19 - Step 5: Solve for x
x = 147,294,181,248.19/447,621.87 - Step 6: Final answer
x = 329,059.39
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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.