Finding the Fourth Proportional to 395,528.22, 545,829.06 and 214,239.59
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Solution
The fourth proportional to 395,528.22, 545,829.06 and 214,239.59 is: 295,650.70
Step by Step Solution
- Step 1: Write the proportion equation
395,528.22 : 545,829.06 = 214,239.59 : x - Step 2: Convert to fraction form
395,528.22/545,829.06 = 214,239.59/x - Step 3: Cross multiply
395,528.22x = 545,829.06 × 214,239.59 - Step 4: Simplify right side
395,528.22x = 116,938,194,024.49 - Step 5: Solve for x
x = 116,938,194,024.49/395,528.22 - Step 6: Final answer
x = 295,650.70
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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.