Finding the Fourth Proportional to 399,080.01, 550,725.66 and 217,794.99
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Solution
The fourth proportional to 399,080.01, 550,725.66 and 217,794.99 is: 300,554.49
Step by Step Solution
- Step 1: Write the proportion equation
399,080.01 : 550,725.66 = 217,794.99 : x - Step 2: Convert to fraction form
399,080.01/550,725.66 = 217,794.99/x - Step 3: Cross multiply
399,080.01x = 550,725.66 × 217,794.99 - Step 4: Simplify right side
399,080.01x = 119,945,289,612.44 - Step 5: Solve for x
x = 119,945,289,612.44/399,080.01 - Step 6: Final answer
x = 300,554.49
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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.