Finding the Fourth Proportional to 351,346.70, 484,858.60 and 190,201.75
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Solution
The fourth proportional to 351,346.70, 484,858.60 and 190,201.75 is: 262,478.50
Step by Step Solution
- Step 1: Write the proportion equation
351,346.70 : 484,858.60 = 190,201.75 : x - Step 2: Convert to fraction form
351,346.70/484,858.60 = 190,201.75/x - Step 3: Cross multiply
351,346.70x = 484,858.60 × 190,201.75 - Step 4: Simplify right side
351,346.70x = 92,220,951,798.26 - Step 5: Solve for x
x = 92,220,951,798.26/351,346.70 - Step 6: Final answer
x = 262,478.50
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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.