Finding the Fourth Proportional to 284,581.58, 392,722.73 and 157,257.18
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Solution
The fourth proportional to 284,581.58, 392,722.73 and 157,257.18 is: 217,014.99
Step by Step Solution
- Step 1: Write the proportion equation
284,581.58 : 392,722.73 = 157,257.18 : x - Step 2: Convert to fraction form
284,581.58/392,722.73 = 157,257.18/x - Step 3: Cross multiply
284,581.58x = 392,722.73 × 157,257.18 - Step 4: Simplify right side
284,581.58x = 61,758,469,041.70 - Step 5: Solve for x
x = 61,758,469,041.70/284,581.58 - Step 6: Final answer
x = 217,014.99
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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.