Finding the Fourth Proportional to 395,466.12, 545,744.88 and 214,180.20
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Solution
The fourth proportional to 395,466.12, 545,744.88 and 214,180.20 is: 295,569.56
Step by Step Solution
- Step 1: Write the proportion equation
395,466.12 : 545,744.88 = 214,180.20 : x - Step 2: Convert to fraction form
395,466.12/545,744.88 = 214,180.20/x - Step 3: Cross multiply
395,466.12x = 545,744.88 × 214,180.20 - Step 4: Simplify right side
395,466.12x = 116,887,747,547.38 - Step 5: Solve for x
x = 116,887,747,547.38/395,466.12 - Step 6: Final answer
x = 295,569.56
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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.