Finding the Fourth Proportional to 205,103.36, 283,053.36 and 120,247.68
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Solution
The fourth proportional to 205,103.36, 283,053.36 and 120,247.68 is: 165,948.09
Step by Step Solution
- Step 1: Write the proportion equation
205,103.36 : 283,053.36 = 120,247.68 : x - Step 2: Convert to fraction form
205,103.36/283,053.36 = 120,247.68/x - Step 3: Cross multiply
205,103.36x = 283,053.36 × 120,247.68 - Step 4: Simplify right side
205,103.36x = 34,036,509,856.20 - Step 5: Solve for x
x = 34,036,509,856.20/205,103.36 - Step 6: Final answer
x = 165,948.09
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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.