Finding the Fourth Proportional to 229,869.24, 317,213.49 and 127,894.87
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Solution
The fourth proportional to 229,869.24, 317,213.49 and 127,894.87 is: 176,491.55
Step by Step Solution
- Step 1: Write the proportion equation
229,869.24 : 317,213.49 = 127,894.87 : x - Step 2: Convert to fraction form
229,869.24/317,213.49 = 127,894.87/x - Step 3: Cross multiply
229,869.24x = 317,213.49 × 127,894.87 - Step 4: Simplify right side
229,869.24x = 40,569,978,065.80 - Step 5: Solve for x
x = 40,569,978,065.80/229,869.24 - Step 6: Final answer
x = 176,491.55
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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.