Finding the Fourth Proportional to 261,674.70, 392,512.05 and 248,772.30
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Solution
The fourth proportional to 261,674.70, 392,512.05 and 248,772.30 is: 373,158.45
Step by Step Solution
- Step 1: Write the proportion equation
261,674.70 : 392,512.05 = 248,772.30 : x - Step 2: Convert to fraction form
261,674.70/392,512.05 = 248,772.30/x - Step 3: Cross multiply
261,674.70x = 392,512.05 × 248,772.30 - Step 4: Simplify right side
261,674.70x = 97,646,125,456.22 - Step 5: Solve for x
x = 97,646,125,456.22/261,674.70 - Step 6: Final answer
x = 373,158.45
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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.