Finding the Fourth Proportional to 415,769.75, 573,762.29 and 224,783.09
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Solution
The fourth proportional to 415,769.75, 573,762.29 and 224,783.09 is: 310,200.68
Step by Step Solution
- Step 1: Write the proportion equation
415,769.75 : 573,762.29 = 224,783.09 : x - Step 2: Convert to fraction form
415,769.75/573,762.29 = 224,783.09/x - Step 3: Cross multiply
415,769.75x = 573,762.29 × 224,783.09 - Step 4: Simplify right side
415,769.75x = 128,972,057,602.87 - Step 5: Solve for x
x = 128,972,057,602.87/415,769.75 - Step 6: Final answer
x = 310,200.68
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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.