Finding the Fourth Proportional to 851,421.88, 1,276,762.68 and 244,076.44
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Solution
The fourth proportional to 851,421.88, 1,276,762.68 and 244,076.44 is: 366,008.55
Step by Step Solution
- Step 1: Write the proportion equation
851,421.88 : 1,276,762.68 = 244,076.44 : x - Step 2: Convert to fraction form
851,421.88/1,276,762.68 = 244,076.44/x - Step 3: Cross multiply
851,421.88x = 1,276,762.68 × 244,076.44 - Step 4: Simplify right side
851,421.88x = 311,627,689,659.26 - Step 5: Solve for x
x = 311,627,689,659.26/851,421.88 - Step 6: Final answer
x = 366,008.55
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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.