Finding the Fourth Proportional to 229,908.68, 317,270.88 and 129,306.68
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Solution
The fourth proportional to 229,908.68, 317,270.88 and 129,306.68 is: 178,441.48
Step by Step Solution
- Step 1: Write the proportion equation
229,908.68 : 317,270.88 = 129,306.68 : x - Step 2: Convert to fraction form
229,908.68/317,270.88 = 129,306.68/x - Step 3: Cross multiply
229,908.68x = 317,270.88 × 129,306.68 - Step 4: Simplify right side
229,908.68x = 41,025,244,153.48 - Step 5: Solve for x
x = 41,025,244,153.48/229,908.68 - Step 6: Final answer
x = 178,441.48
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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.