Finding the Fourth Proportional to 293,850.40, 440,775.60 and 276,135.70
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Solution
The fourth proportional to 293,850.40, 440,775.60 and 276,135.70 is: 414,203.55
Step by Step Solution
- Step 1: Write the proportion equation
293,850.40 : 440,775.60 = 276,135.70 : x - Step 2: Convert to fraction form
293,850.40/440,775.60 = 276,135.70/x - Step 3: Cross multiply
293,850.40x = 440,775.60 × 276,135.70 - Step 4: Simplify right side
293,850.40x = 121,713,878,848.92 - Step 5: Solve for x
x = 121,713,878,848.92/293,850.40 - Step 6: Final answer
x = 414,203.55
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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.