Finding the Fourth Proportional to 204,648.36, 307,164.51 and 125,916.36
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Solution
The fourth proportional to 204,648.36, 307,164.51 and 125,916.36 is: 188,992.66
Step by Step Solution
- Step 1: Write the proportion equation
204,648.36 : 307,164.51 = 125,916.36 : x - Step 2: Convert to fraction form
204,648.36/307,164.51 = 125,916.36/x - Step 3: Cross multiply
204,648.36x = 307,164.51 × 125,916.36 - Step 4: Simplify right side
204,648.36x = 38,677,037,020.38 - Step 5: Solve for x
x = 38,677,037,020.38/204,648.36 - Step 6: Final answer
x = 188,992.66
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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.