Finding the Fourth Proportional to 135,002.70, 202,212.45 and 111,674.70
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Solution
The fourth proportional to 135,002.70, 202,212.45 and 111,674.70 is: 167,270.84
Step by Step Solution
- Step 1: Write the proportion equation
135,002.70 : 202,212.45 = 111,674.70 : x - Step 2: Convert to fraction form
135,002.70/202,212.45 = 111,674.70/x - Step 3: Cross multiply
135,002.70x = 202,212.45 × 111,674.70 - Step 4: Simplify right side
135,002.70x = 22,582,014,690.02 - Step 5: Solve for x
x = 22,582,014,690.02/135,002.70 - Step 6: Final answer
x = 167,270.84
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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.