Finding the Fourth Proportional to 784,875.75, 1,177,102.85 and 216,121.44
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Solution
The fourth proportional to 784,875.75, 1,177,102.85 and 216,121.44 is: 324,124.12
Step by Step Solution
- Step 1: Write the proportion equation
784,875.75 : 1,177,102.85 = 216,121.44 : x - Step 2: Convert to fraction form
784,875.75/1,177,102.85 = 216,121.44/x - Step 3: Cross multiply
784,875.75x = 1,177,102.85 × 216,121.44 - Step 4: Simplify right side
784,875.75x = 254,397,164,832.25 - Step 5: Solve for x
x = 254,397,164,832.25/784,875.75 - Step 6: Final answer
x = 324,124.12
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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.