Finding the Fourth Proportional to 374,114.60, 516,125.30 and 276,232.42
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Solution
The fourth proportional to 374,114.60, 516,125.30 and 276,232.42 is: 381,087.89
Step by Step Solution
- Step 1: Write the proportion equation
374,114.60 : 516,125.30 = 276,232.42 : x - Step 2: Convert to fraction form
374,114.60/516,125.30 = 276,232.42/x - Step 3: Cross multiply
374,114.60x = 516,125.30 × 276,232.42 - Step 4: Simplify right side
374,114.60x = 142,570,540,642.23 - Step 5: Solve for x
x = 142,570,540,642.23/374,114.60 - Step 6: Final answer
x = 381,087.89
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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.