Finding the Fourth Proportional to 80,448.64, 120,680.04 and 29,848.24
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Solution
The fourth proportional to 80,448.64, 120,680.04 and 29,848.24 is: 44,774.99
Step by Step Solution
- Step 1: Write the proportion equation
80,448.64 : 120,680.04 = 29,848.24 : x - Step 2: Convert to fraction form
80,448.64/120,680.04 = 29,848.24/x - Step 3: Cross multiply
80,448.64x = 120,680.04 × 29,848.24 - Step 4: Simplify right side
80,448.64x = 3,602,086,797.13 - Step 5: Solve for x
x = 3,602,086,797.13/80,448.64 - Step 6: Final answer
x = 44,774.99
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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.