Finding the Fourth Proportional to 382,256.24, 527,512.92 and 212,489.84
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Solution
The fourth proportional to 382,256.24, 527,512.92 and 212,489.84 is: 293,235.59
Step by Step Solution
- Step 1: Write the proportion equation
382,256.24 : 527,512.92 = 212,489.84 : x - Step 2: Convert to fraction form
382,256.24/527,512.92 = 212,489.84/x - Step 3: Cross multiply
382,256.24x = 527,512.92 × 212,489.84 - Step 4: Simplify right side
382,256.24x = 112,091,135,968.73 - Step 5: Solve for x
x = 112,091,135,968.73/382,256.24 - Step 6: Final answer
x = 293,235.59
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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.