Finding the Fourth Proportional to 331,363.60, 496,656.60 and 141,823.60
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Solution
The fourth proportional to 331,363.60, 496,656.60 and 141,823.60 is: 212,568.99
Step by Step Solution
- Step 1: Write the proportion equation
331,363.60 : 496,656.60 = 141,823.60 : x - Step 2: Convert to fraction form
331,363.60/496,656.60 = 141,823.60/x - Step 3: Cross multiply
331,363.60x = 496,656.60 × 141,823.60 - Step 4: Simplify right side
331,363.60x = 70,437,626,975.76 - Step 5: Solve for x
x = 70,437,626,975.76/331,363.60 - Step 6: Final answer
x = 212,568.99
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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.