Finding the Fourth Proportional to 508,210.20, 701,283.18 and 281,811.96
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Solution
The fourth proportional to 508,210.20, 701,283.18 and 281,811.96 is: 388,874.50
Step by Step Solution
- Step 1: Write the proportion equation
508,210.20 : 701,283.18 = 281,811.96 : x - Step 2: Convert to fraction form
508,210.20/701,283.18 = 281,811.96/x - Step 3: Cross multiply
508,210.20x = 701,283.18 × 281,811.96 - Step 4: Simplify right side
508,210.20x = 197,629,987,470.83 - Step 5: Solve for x
x = 197,629,987,470.83/508,210.20 - Step 6: Final answer
x = 388,874.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.