Finding the Fourth Proportional to 211,497.90, 317,276.01 and 122,793.18
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Solution
The fourth proportional to 211,497.90, 317,276.01 and 122,793.18 is: 184,206.70
Step by Step Solution
- Step 1: Write the proportion equation
211,497.90 : 317,276.01 = 122,793.18 : x - Step 2: Convert to fraction form
211,497.90/317,276.01 = 122,793.18/x - Step 3: Cross multiply
211,497.90x = 317,276.01 × 122,793.18 - Step 4: Simplify right side
211,497.90x = 38,959,330,205.61 - Step 5: Solve for x
x = 38,959,330,205.61/211,497.90 - Step 6: Final answer
x = 184,206.70
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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.