Finding the Fourth Proportional to 213,998.28, 295,313.70 and 118,504.68
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Solution
The fourth proportional to 213,998.28, 295,313.70 and 118,504.68 is: 163,534.28
Step by Step Solution
- Step 1: Write the proportion equation
213,998.28 : 295,313.70 = 118,504.68 : x - Step 2: Convert to fraction form
213,998.28/295,313.70 = 118,504.68/x - Step 3: Cross multiply
213,998.28x = 295,313.70 × 118,504.68 - Step 4: Simplify right side
213,998.28x = 34,996,055,518.12 - Step 5: Solve for x
x = 34,996,055,518.12/213,998.28 - Step 6: Final answer
x = 163,534.28
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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.