Finding the Fourth Proportional to 213,580.80, 294,615.36 and 133,021.44
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Solution
The fourth proportional to 213,580.80, 294,615.36 and 133,021.44 is: 183,491.02
Step by Step Solution
- Step 1: Write the proportion equation
213,580.80 : 294,615.36 = 133,021.44 : x - Step 2: Convert to fraction form
213,580.80/294,615.36 = 133,021.44/x - Step 3: Cross multiply
213,580.80x = 294,615.36 × 133,021.44 - Step 4: Simplify right side
213,580.80x = 39,190,159,433.32 - Step 5: Solve for x
x = 39,190,159,433.32/213,580.80 - Step 6: Final answer
x = 183,491.02
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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.