Finding the Fourth Proportional to 276,324.64, 414,486.96 and 98,820.88
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Solution
The fourth proportional to 276,324.64, 414,486.96 and 98,820.88 is: 148,231.32
Step by Step Solution
- Step 1: Write the proportion equation
276,324.64 : 414,486.96 = 98,820.88 : x - Step 2: Convert to fraction form
276,324.64/414,486.96 = 98,820.88/x - Step 3: Cross multiply
276,324.64x = 414,486.96 × 98,820.88 - Step 4: Simplify right side
276,324.64x = 40,959,966,135.72 - Step 5: Solve for x
x = 40,959,966,135.72/276,324.64 - Step 6: Final answer
x = 148,231.32
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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.