Finding the Fourth Proportional to 80,419.60, 120,630.26 and 24,260.19
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Solution
The fourth proportional to 80,419.60, 120,630.26 and 24,260.19 is: 36,390.55
Step by Step Solution
- Step 1: Write the proportion equation
80,419.60 : 120,630.26 = 24,260.19 : x - Step 2: Convert to fraction form
80,419.60/120,630.26 = 24,260.19/x - Step 3: Cross multiply
80,419.60x = 120,630.26 × 24,260.19 - Step 4: Simplify right side
80,419.60x = 2,926,513,670.63 - Step 5: Solve for x
x = 2,926,513,670.63/80,419.60 - Step 6: Final answer
x = 36,390.55
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1.5x scale
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.