Finding the Fourth Proportional to 405,873.92, 560,106.68 and 224,593.48
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Solution
The fourth proportional to 405,873.92, 560,106.68 and 224,593.48 is: 309,939.37
Step by Step Solution
- Step 1: Write the proportion equation
405,873.92 : 560,106.68 = 224,593.48 : x - Step 2: Convert to fraction form
405,873.92/560,106.68 = 224,593.48/x - Step 3: Cross multiply
405,873.92x = 560,106.68 × 224,593.48 - Step 4: Simplify right side
405,873.92x = 125,796,308,432.45 - Step 5: Solve for x
x = 125,796,308,432.45/405,873.92 - Step 6: Final answer
x = 309,939.37
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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.