Finding the Fourth Proportional to 252,120.48, 347,924.52 and 138,943.32
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Solution
The fourth proportional to 252,120.48, 347,924.52 and 138,943.32 is: 191,740.82
Step by Step Solution
- Step 1: Write the proportion equation
252,120.48 : 347,924.52 = 138,943.32 : x - Step 2: Convert to fraction form
252,120.48/347,924.52 = 138,943.32/x - Step 3: Cross multiply
252,120.48x = 347,924.52 × 138,943.32 - Step 4: Simplify right side
252,120.48x = 48,341,787,918.21 - Step 5: Solve for x
x = 48,341,787,918.21/252,120.48 - Step 6: Final answer
x = 191,740.82
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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.