Finding the Fourth Proportional to 540,958.84, 811,512.08 and 225,341.96
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Solution
The fourth proportional to 540,958.84, 811,512.08 and 225,341.96 is: 338,043.69
Step by Step Solution
- Step 1: Write the proportion equation
540,958.84 : 811,512.08 = 225,341.96 : x - Step 2: Convert to fraction form
540,958.84/811,512.08 = 225,341.96/x - Step 3: Cross multiply
540,958.84x = 811,512.08 × 225,341.96 - Step 4: Simplify right side
540,958.84x = 182,867,722,670.88 - Step 5: Solve for x
x = 182,867,722,670.88/540,958.84 - Step 6: Final answer
x = 338,043.69
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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.