Finding the Fourth Proportional to 292,484.44, 438,755.46 and 121,671.10
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Solution
The fourth proportional to 292,484.44, 438,755.46 and 121,671.10 is: 182,518.63
Step by Step Solution
- Step 1: Write the proportion equation
292,484.44 : 438,755.46 = 121,671.10 : x - Step 2: Convert to fraction form
292,484.44/438,755.46 = 121,671.10/x - Step 3: Cross multiply
292,484.44x = 438,755.46 × 121,671.10 - Step 4: Simplify right side
292,484.44x = 53,383,859,449.21 - Step 5: Solve for x
x = 53,383,859,449.21/292,484.44 - Step 6: Final answer
x = 182,518.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.