Finding the Fourth Proportional to 405,910.80, 560,148.52 and 224,622.62
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Solution
The fourth proportional to 405,910.80, 560,148.52 and 224,622.62 is: 309,974.58
Step by Step Solution
- Step 1: Write the proportion equation
405,910.80 : 560,148.52 = 224,622.62 : x - Step 2: Convert to fraction form
405,910.80/560,148.52 = 224,622.62/x - Step 3: Cross multiply
405,910.80x = 560,148.52 × 224,622.62 - Step 4: Simplify right side
405,910.80x = 125,822,028,151.52 - Step 5: Solve for x
x = 125,822,028,151.52/405,910.80 - Step 6: Final answer
x = 309,974.58
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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.