Finding the Fourth Proportional to 80,339.79, 120,485.36 and 24,164.98
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Solution
The fourth proportional to 80,339.79, 120,485.36 and 24,164.98 is: 36,240.15
Step by Step Solution
- Step 1: Write the proportion equation
80,339.79 : 120,485.36 = 24,164.98 : x - Step 2: Convert to fraction form
80,339.79/120,485.36 = 24,164.98/x - Step 3: Cross multiply
80,339.79x = 120,485.36 × 24,164.98 - Step 4: Simplify right side
80,339.79x = 2,911,526,314.69 - Step 5: Solve for x
x = 2,911,526,314.69/80,339.79 - Step 6: Final answer
x = 36,240.15
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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.