Finding the Fourth Proportional to 204,296.19, 281,813.52 and 122,603.55
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Solution
The fourth proportional to 204,296.19, 281,813.52 and 122,603.55 is: 169,123.75
Step by Step Solution
- Step 1: Write the proportion equation
204,296.19 : 281,813.52 = 122,603.55 : x - Step 2: Convert to fraction form
204,296.19/281,813.52 = 122,603.55/x - Step 3: Cross multiply
204,296.19x = 281,813.52 × 122,603.55 - Step 4: Simplify right side
204,296.19x = 34,551,337,990.00 - Step 5: Solve for x
x = 34,551,337,990.00/204,296.19 - Step 6: Final answer
x = 169,123.75
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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.