Finding the Fourth Proportional to 134,929.20, 202,358.52 and 40,133.88
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Solution
The fourth proportional to 134,929.20, 202,358.52 and 40,133.88 is: 60,190.33
Step by Step Solution
- Step 1: Write the proportion equation
134,929.20 : 202,358.52 = 40,133.88 : x - Step 2: Convert to fraction form
134,929.20/202,358.52 = 40,133.88/x - Step 3: Cross multiply
134,929.20x = 202,358.52 × 40,133.88 - Step 4: Simplify right side
134,929.20x = 8,121,432,558.66 - Step 5: Solve for x
x = 8,121,432,558.66/134,929.20 - Step 6: Final answer
x = 60,190.33
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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.