Finding the Fourth Proportional to 361,546.68, 498,947.40 and 218,278.92
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Solution
The fourth proportional to 361,546.68, 498,947.40 and 218,278.92 is: 301,232.75
Step by Step Solution
- Step 1: Write the proportion equation
361,546.68 : 498,947.40 = 218,278.92 : x - Step 2: Convert to fraction form
361,546.68/498,947.40 = 218,278.92/x - Step 3: Cross multiply
361,546.68x = 498,947.40 × 218,278.92 - Step 4: Simplify right side
361,546.68x = 108,909,699,608.81 - Step 5: Solve for x
x = 108,909,699,608.81/361,546.68 - Step 6: Final answer
x = 301,232.75
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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.