Finding the Fourth Proportional to 205,525.18, 283,622.61 and 120,625.84
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Solution
The fourth proportional to 205,525.18, 283,622.61 and 120,625.84 is: 166,462.40
Step by Step Solution
- Step 1: Write the proportion equation
205,525.18 : 283,622.61 = 120,625.84 : x - Step 2: Convert to fraction form
205,525.18/283,622.61 = 120,625.84/x - Step 3: Cross multiply
205,525.18x = 283,622.61 × 120,625.84 - Step 4: Simplify right side
205,525.18x = 34,212,215,574.24 - Step 5: Solve for x
x = 34,212,215,574.24/205,525.18 - Step 6: Final answer
x = 166,462.40
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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.