Finding the Fourth Proportional to 268,629.07, 370,708.99 and 147,779.55
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Solution
The fourth proportional to 268,629.07, 370,708.99 and 147,779.55 is: 203,936.26
Step by Step Solution
- Step 1: Write the proportion equation
268,629.07 : 370,708.99 = 147,779.55 : x - Step 2: Convert to fraction form
268,629.07/370,708.99 = 147,779.55/x - Step 3: Cross multiply
268,629.07x = 370,708.99 × 147,779.55 - Step 4: Simplify right side
268,629.07x = 54,783,207,723.15 - Step 5: Solve for x
x = 54,783,207,723.15/268,629.07 - Step 6: Final answer
x = 203,936.26
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1.5x scale
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.