Finding the Fourth Proportional to 80,248.32, 120,346.56 and 27,643.68
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Solution
The fourth proportional to 80,248.32, 120,346.56 and 27,643.68 is: 41,456.59
Step by Step Solution
- Step 1: Write the proportion equation
80,248.32 : 120,346.56 = 27,643.68 : x - Step 2: Convert to fraction form
80,248.32/120,346.56 = 27,643.68/x - Step 3: Cross multiply
80,248.32x = 120,346.56 × 27,643.68 - Step 4: Simplify right side
80,248.32x = 3,326,821,793.74 - Step 5: Solve for x
x = 3,326,821,793.74/80,248.32 - Step 6: Final answer
x = 41,456.59
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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.