Finding the Fourth Proportional to 157,569.29, 217,406.26 and 96,299.81
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Solution
The fourth proportional to 157,569.29, 217,406.26 and 96,299.81 is: 132,869.68
Step by Step Solution
- Step 1: Write the proportion equation
157,569.29 : 217,406.26 = 96,299.81 : x - Step 2: Convert to fraction form
157,569.29/217,406.26 = 96,299.81/x - Step 3: Cross multiply
157,569.29x = 217,406.26 × 96,299.81 - Step 4: Simplify right side
157,569.29x = 20,936,181,530.81 - Step 5: Solve for x
x = 20,936,181,530.81/157,569.29 - Step 6: Final answer
x = 132,869.68
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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.