Finding the Fourth Proportional to 213,583.28, 320,506.68 and 108,477.68
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Solution
The fourth proportional to 213,583.28, 320,506.68 and 108,477.68 is: 162,783.44
Step by Step Solution
- Step 1: Write the proportion equation
213,583.28 : 320,506.68 = 108,477.68 : x - Step 2: Convert to fraction form
213,583.28/320,506.68 = 108,477.68/x - Step 3: Cross multiply
213,583.28x = 320,506.68 × 108,477.68 - Step 4: Simplify right side
213,583.28x = 34,767,821,070.90 - Step 5: Solve for x
x = 34,767,821,070.90/213,583.28 - Step 6: Final answer
x = 162,783.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.