Finding the Fourth Proportional to 351,879.60, 485,580.84 and 190,731.19
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Solution
The fourth proportional to 351,879.60, 485,580.84 and 190,731.19 is: 263,201.98
Step by Step Solution
- Step 1: Write the proportion equation
351,879.60 : 485,580.84 = 190,731.19 : x - Step 2: Convert to fraction form
351,879.60/485,580.84 = 190,731.19/x - Step 3: Cross multiply
351,879.60x = 485,580.84 × 190,731.19 - Step 4: Simplify right side
351,879.60x = 92,615,408,072.84 - Step 5: Solve for x
x = 92,615,408,072.84/351,879.60 - Step 6: Final answer
x = 263,201.98
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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.