Finding the Fourth Proportional to 330,765.61, 456,461.09 and 247,832.75
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Solution
The fourth proportional to 330,765.61, 456,461.09 and 247,832.75 is: 342,012.60
Step by Step Solution
- Step 1: Write the proportion equation
330,765.61 : 456,461.09 = 247,832.75 : x - Step 2: Convert to fraction form
330,765.61/456,461.09 = 247,832.75/x - Step 3: Cross multiply
330,765.61x = 456,461.09 × 247,832.75 - Step 4: Simplify right side
330,765.61x = 113,126,007,202.70 - Step 5: Solve for x
x = 113,126,007,202.70/330,765.61 - Step 6: Final answer
x = 342,012.60
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1.5x scale
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.