Finding the Fourth Proportional to 395,401.26, 545,652.76 and 214,113.18
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Solution
The fourth proportional to 395,401.26, 545,652.76 and 214,113.18 is: 295,475.66
Step by Step Solution
- Step 1: Write the proportion equation
395,401.26 : 545,652.76 = 214,113.18 : x - Step 2: Convert to fraction form
395,401.26/545,652.76 = 214,113.18/x - Step 3: Cross multiply
395,401.26x = 545,652.76 × 214,113.18 - Step 4: Simplify right side
395,401.26x = 116,831,447,619.38 - Step 5: Solve for x
x = 116,831,447,619.38/395,401.26 - Step 6: Final answer
x = 295,475.66
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1.5x scale
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.