Finding the Fourth Proportional to 395,401.02, 545,652.41 and 214,112.94
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Solution
The fourth proportional to 395,401.02, 545,652.41 and 214,112.94 is: 295,475.32
Step by Step Solution
- Step 1: Write the proportion equation
395,401.02 : 545,652.41 = 214,112.94 : x - Step 2: Convert to fraction form
395,401.02/545,652.41 = 214,112.94/x - Step 3: Cross multiply
395,401.02x = 545,652.41 × 214,112.94 - Step 4: Simplify right side
395,401.02x = 116,831,241,723.19 - Step 5: Solve for x
x = 116,831,241,723.19/395,401.02 - Step 6: Final answer
x = 295,475.32
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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.