Finding the Fourth Proportional to 405,902.99, 560,137.75 and 224,614.80
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Solution
The fourth proportional to 405,902.99, 560,137.75 and 224,614.80 is: 309,963.79
Step by Step Solution
- Step 1: Write the proportion equation
405,902.99 : 560,137.75 = 224,614.80 : x - Step 2: Convert to fraction form
405,902.99/560,137.75 = 224,614.80/x - Step 3: Cross multiply
405,902.99x = 560,137.75 × 224,614.80 - Step 4: Simplify right side
405,902.99x = 125,815,228,127.16 - Step 5: Solve for x
x = 125,815,228,127.16/405,902.99 - Step 6: Final answer
x = 309,963.79
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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.