Finding the Fourth Proportional to 352,030.40, 485,486.88 and 276,447.68
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Solution
The fourth proportional to 352,030.40, 485,486.88 and 276,447.68 is: 381,250.37
Step by Step Solution
- Step 1: Write the proportion equation
352,030.40 : 485,486.88 = 276,447.68 : x - Step 2: Convert to fraction form
352,030.40/485,486.88 = 276,447.68/x - Step 3: Cross multiply
352,030.40x = 485,486.88 × 276,447.68 - Step 4: Simplify right side
352,030.40x = 134,211,721,646.44 - Step 5: Solve for x
x = 134,211,721,646.44/352,030.40 - Step 6: Final answer
x = 381,250.37
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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.