Finding the Fourth Proportional to 395,484.29, 545,765.58 and 214,192.06
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Solution
The fourth proportional to 395,484.29, 545,765.58 and 214,192.06 is: 295,583.56
Step by Step Solution
- Step 1: Write the proportion equation
395,484.29 : 545,765.58 = 214,192.06 : x - Step 2: Convert to fraction form
395,484.29/545,765.58 = 214,192.06/x - Step 3: Cross multiply
395,484.29x = 545,765.58 × 214,192.06 - Step 4: Simplify right side
395,484.29x = 116,898,651,128.47 - Step 5: Solve for x
x = 116,898,651,128.47/395,484.29 - Step 6: Final answer
x = 295,583.56
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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.