Finding the Fourth Proportional to 137,105.60, 205,657.99 and 48,337.70
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Solution
The fourth proportional to 137,105.60, 205,657.99 and 48,337.70 is: 72,506.40
Step by Step Solution
- Step 1: Write the proportion equation
137,105.60 : 205,657.99 = 48,337.70 : x - Step 2: Convert to fraction form
137,105.60/205,657.99 = 48,337.70/x - Step 3: Cross multiply
137,105.60x = 205,657.99 × 48,337.70 - Step 4: Simplify right side
137,105.60x = 9,941,033,074.09 - Step 5: Solve for x
x = 9,941,033,074.09/137,105.60 - Step 6: Final answer
x = 72,506.40
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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.