Finding the Fourth Proportional to 80,378.24, 120,587.34 and 24,217.08
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Solution
The fourth proportional to 80,378.24, 120,587.34 and 24,217.08 is: 36,331.64
Step by Step Solution
- Step 1: Write the proportion equation
80,378.24 : 120,587.34 = 24,217.08 : x - Step 2: Convert to fraction form
80,378.24/120,587.34 = 24,217.08/x - Step 3: Cross multiply
80,378.24x = 120,587.34 × 24,217.08 - Step 4: Simplify right side
80,378.24x = 2,920,273,259.77 - Step 5: Solve for x
x = 2,920,273,259.77/80,378.24 - Step 6: Final answer
x = 36,331.64
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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.