Finding the Fourth Proportional to 134,929.37, 202,358.72 and 40,134.07
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Solution
The fourth proportional to 134,929.37, 202,358.72 and 40,134.07 is: 60,190.59
Step by Step Solution
- Step 1: Write the proportion equation
134,929.37 : 202,358.72 = 40,134.07 : x - Step 2: Convert to fraction form
134,929.37/202,358.72 = 40,134.07/x - Step 3: Cross multiply
134,929.37x = 202,358.72 × 40,134.07 - Step 4: Simplify right side
134,929.37x = 8,121,477,821.13 - Step 5: Solve for x
x = 8,121,477,821.13/134,929.37 - Step 6: Final answer
x = 60,190.59
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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.