Finding the Fourth Proportional to 278,370.28, 417,850.68 and 246,555.88
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Solution
The fourth proportional to 278,370.28, 417,850.68 and 246,555.88 is: 370,095.34
Step by Step Solution
- Step 1: Write the proportion equation
278,370.28 : 417,850.68 = 246,555.88 : x - Step 2: Convert to fraction form
278,370.28/417,850.68 = 246,555.88/x - Step 3: Cross multiply
278,370.28x = 417,850.68 × 246,555.88 - Step 4: Simplify right side
278,370.28x = 103,023,541,071.37 - Step 5: Solve for x
x = 103,023,541,071.37/278,370.28 - Step 6: Final answer
x = 370,095.34
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.