Finding the Fourth Proportional to 389,080.97, 536,931.74 and 210,232.97
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Solution
The fourth proportional to 389,080.97, 536,931.74 and 210,232.97 is: 290,121.50
Step by Step Solution
- Step 1: Write the proportion equation
389,080.97 : 536,931.74 = 210,232.97 : x - Step 2: Convert to fraction form
389,080.97/536,931.74 = 210,232.97/x - Step 3: Cross multiply
389,080.97x = 536,931.74 × 210,232.97 - Step 4: Simplify right side
389,080.97x = 112,880,753,059.33 - Step 5: Solve for x
x = 112,880,753,059.33/389,080.97 - Step 6: Final answer
x = 290,121.50
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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.