Finding the Fourth Proportional to 103,935.24, 155,893.14 and 29,062.08
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Solution
The fourth proportional to 103,935.24, 155,893.14 and 29,062.08 is: 43,590.40
Step by Step Solution
- Step 1: Write the proportion equation
103,935.24 : 155,893.14 = 29,062.08 : x - Step 2: Convert to fraction form
103,935.24/155,893.14 = 29,062.08/x - Step 3: Cross multiply
103,935.24x = 155,893.14 × 29,062.08 - Step 4: Simplify right side
103,935.24x = 4,530,578,906.13 - Step 5: Solve for x
x = 4,530,578,906.13/103,935.24 - Step 6: Final answer
x = 43,590.40
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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.