Finding the Fourth Proportional to 252,028.13, 347,798.81 and 138,853.31
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Solution
The fourth proportional to 252,028.13, 347,798.81 and 138,853.31 is: 191,617.56
Step by Step Solution
- Step 1: Write the proportion equation
252,028.13 : 347,798.81 = 138,853.31 : x - Step 2: Convert to fraction form
252,028.13/347,798.81 = 138,853.31/x - Step 3: Cross multiply
252,028.13x = 347,798.81 × 138,853.31 - Step 4: Simplify right side
252,028.13x = 48,293,014,590.70 - Step 5: Solve for x
x = 48,293,014,590.70/252,028.13 - Step 6: Final answer
x = 191,617.56
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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.