Finding the Fourth Proportional to 157,869.24, 217,859.46 and 89,882.70
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Solution
The fourth proportional to 157,869.24, 217,859.46 and 89,882.70 is: 124,038.07
Step by Step Solution
- Step 1: Write the proportion equation
157,869.24 : 217,859.46 = 89,882.70 : x - Step 2: Convert to fraction form
157,869.24/217,859.46 = 89,882.70/x - Step 3: Cross multiply
157,869.24x = 217,859.46 × 89,882.70 - Step 4: Simplify right side
157,869.24x = 19,581,796,485.34 - Step 5: Solve for x
x = 19,581,796,485.34/157,869.24 - Step 6: Final answer
x = 124,038.07
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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.