Finding the Fourth Proportional to 211,591.63, 317,386.05 and 53,818.75
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Solution
The fourth proportional to 211,591.63, 317,386.05 and 53,818.75 is: 80,727.77
Step by Step Solution
- Step 1: Write the proportion equation
211,591.63 : 317,386.05 = 53,818.75 : x - Step 2: Convert to fraction form
211,591.63/317,386.05 = 53,818.75/x - Step 3: Cross multiply
211,591.63x = 317,386.05 × 53,818.75 - Step 4: Simplify right side
211,591.63x = 17,081,320,478.44 - Step 5: Solve for x
x = 17,081,320,478.44/211,591.63 - Step 6: Final answer
x = 80,727.77
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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.