Finding the Fourth Proportional to 460,076.30, 634,936.07 and 278,806.05
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Solution
The fourth proportional to 460,076.30, 634,936.07 and 278,806.05 is: 384,770.99
Step by Step Solution
- Step 1: Write the proportion equation
460,076.30 : 634,936.07 = 278,806.05 : x - Step 2: Convert to fraction form
460,076.30/634,936.07 = 278,806.05/x - Step 3: Cross multiply
460,076.30x = 634,936.07 × 278,806.05 - Step 4: Simplify right side
460,076.30x = 177,024,016,807.96 - Step 5: Solve for x
x = 177,024,016,807.96/460,076.30 - Step 6: Final answer
x = 384,770.99
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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.