Finding the Fourth Proportional to 223,642.26, 335,463.39 and 57,430.26
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Solution
The fourth proportional to 223,642.26, 335,463.39 and 57,430.26 is: 86,145.39
Step by Step Solution
- Step 1: Write the proportion equation
223,642.26 : 335,463.39 = 57,430.26 : x - Step 2: Convert to fraction form
223,642.26/335,463.39 = 57,430.26/x - Step 3: Cross multiply
223,642.26x = 335,463.39 × 57,430.26 - Step 4: Simplify right side
223,642.26x = 19,265,749,708.18 - Step 5: Solve for x
x = 19,265,749,708.18/223,642.26 - Step 6: Final answer
x = 86,145.39
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1.5x scale
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.