Finding the Fourth Proportional to 451,805.70, 677,708.55 and 114,845.70
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Solution
The fourth proportional to 451,805.70, 677,708.55 and 114,845.70 is: 172,268.55
Step by Step Solution
- Step 1: Write the proportion equation
451,805.70 : 677,708.55 = 114,845.70 : x - Step 2: Convert to fraction form
451,805.70/677,708.55 = 114,845.70/x - Step 3: Cross multiply
451,805.70x = 677,708.55 × 114,845.70 - Step 4: Simplify right side
451,805.70x = 77,831,912,820.74 - Step 5: Solve for x
x = 77,831,912,820.74/451,805.70 - Step 6: Final answer
x = 172,268.55
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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.