Finding the Fourth Proportional to 217,201.34, 299,737.92 and 132,318.41
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Solution
The fourth proportional to 217,201.34, 299,737.92 and 132,318.41 is: 182,599.45
Step by Step Solution
- Step 1: Write the proportion equation
217,201.34 : 299,737.92 = 132,318.41 : x - Step 2: Convert to fraction form
217,201.34/299,737.92 = 132,318.41/x - Step 3: Cross multiply
217,201.34x = 299,737.92 × 132,318.41 - Step 4: Simplify right side
217,201.34x = 39,660,843,492.42 - Step 5: Solve for x
x = 39,660,843,492.42/217,201.34 - Step 6: Final answer
x = 182,599.45
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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.