Finding the Fourth Proportional to 163,632.20, 245,102.70 and 135,984.20
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Solution
The fourth proportional to 163,632.20, 245,102.70 and 135,984.20 is: 203,689.09
Step by Step Solution
- Step 1: Write the proportion equation
163,632.20 : 245,102.70 = 135,984.20 : x - Step 2: Convert to fraction form
163,632.20/245,102.70 = 135,984.20/x - Step 3: Cross multiply
163,632.20x = 245,102.70 × 135,984.20 - Step 4: Simplify right side
163,632.20x = 33,330,094,577.34 - Step 5: Solve for x
x = 33,330,094,577.34/163,632.20 - Step 6: Final answer
x = 203,689.09
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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.