Finding the Fourth Proportional to 254,067.87, 381,101.81 and 67,080.99
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Solution
The fourth proportional to 254,067.87, 381,101.81 and 67,080.99 is: 100,621.49
Step by Step Solution
- Step 1: Write the proportion equation
254,067.87 : 381,101.81 = 67,080.99 : x - Step 2: Convert to fraction form
254,067.87/381,101.81 = 67,080.99/x - Step 3: Cross multiply
254,067.87x = 381,101.81 × 67,080.99 - Step 4: Simplify right side
254,067.87x = 25,564,686,705.59 - Step 5: Solve for x
x = 25,564,686,705.59/254,067.87 - Step 6: Final answer
x = 100,621.49
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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.