Finding the Fourth Proportional to 80,341.95, 120,513.36 and 24,181.68
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Solution
The fourth proportional to 80,341.95, 120,513.36 and 24,181.68 is: 36,272.65
Step by Step Solution
- Step 1: Write the proportion equation
80,341.95 : 120,513.36 = 24,181.68 : x - Step 2: Convert to fraction form
80,341.95/120,513.36 = 24,181.68/x - Step 3: Cross multiply
80,341.95x = 120,513.36 × 24,181.68 - Step 4: Simplify right side
80,341.95x = 2,914,215,507.24 - Step 5: Solve for x
x = 2,914,215,507.24/80,341.95 - Step 6: Final answer
x = 36,272.65
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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.