Finding the Fourth Proportional to 229,621.20, 344,431.80 and 177,133.20
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Solution
The fourth proportional to 229,621.20, 344,431.80 and 177,133.20 is: 265,699.80
Step by Step Solution
- Step 1: Write the proportion equation
229,621.20 : 344,431.80 = 177,133.20 : x - Step 2: Convert to fraction form
229,621.20/344,431.80 = 177,133.20/x - Step 3: Cross multiply
229,621.20x = 344,431.80 × 177,133.20 - Step 4: Simplify right side
229,621.20x = 61,010,306,915.76 - Step 5: Solve for x
x = 61,010,306,915.76/229,621.20 - Step 6: Final answer
x = 265,699.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.