Finding the Fourth Proportional to 230,539.26, 318,202.48 and 129,995.58
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Solution
The fourth proportional to 230,539.26, 318,202.48 and 129,995.58 is: 179,426.78
Step by Step Solution
- Step 1: Write the proportion equation
230,539.26 : 318,202.48 = 129,995.58 : x - Step 2: Convert to fraction form
230,539.26/318,202.48 = 129,995.58/x - Step 3: Cross multiply
230,539.26x = 318,202.48 × 129,995.58 - Step 4: Simplify right side
230,539.26x = 41,364,915,945.04 - Step 5: Solve for x
x = 41,364,915,945.04/230,539.26 - Step 6: Final answer
x = 179,426.78
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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.