Finding the Fourth Proportional to 268,629.08, 370,708.99 and 147,779.56
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Solution
The fourth proportional to 268,629.08, 370,708.99 and 147,779.56 is: 203,936.26
Step by Step Solution
- Step 1: Write the proportion equation
268,629.08 : 370,708.99 = 147,779.56 : x - Step 2: Convert to fraction form
268,629.08/370,708.99 = 147,779.56/x - Step 3: Cross multiply
268,629.08x = 370,708.99 × 147,779.56 - Step 4: Simplify right side
268,629.08x = 54,783,210,134.02 - Step 5: Solve for x
x = 54,783,210,134.02/268,629.08 - Step 6: Final answer
x = 203,936.26
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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.