Finding the Fourth Proportional to 80,244.29, 120,327.56 and 40,246.09
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Solution
The fourth proportional to 80,244.29, 120,327.56 and 40,246.09 is: 60,349.63
Step by Step Solution
- Step 1: Write the proportion equation
80,244.29 : 120,327.56 = 40,246.09 : x - Step 2: Convert to fraction form
80,244.29/120,327.56 = 40,246.09/x - Step 3: Cross multiply
80,244.29x = 120,327.56 × 40,246.09 - Step 4: Simplify right side
80,244.29x = 4,842,713,006.37 - Step 5: Solve for x
x = 4,842,713,006.37/80,244.29 - Step 6: Final answer
x = 60,349.63
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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.