Finding the Fourth Proportional to 147,622.21, 203,816.69 and 113,570.62
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Solution
The fourth proportional to 147,622.21, 203,816.69 and 113,570.62 is: 156,802.88
Step by Step Solution
- Step 1: Write the proportion equation
147,622.21 : 203,816.69 = 113,570.62 : x - Step 2: Convert to fraction form
147,622.21/203,816.69 = 113,570.62/x - Step 3: Cross multiply
147,622.21x = 203,816.69 × 113,570.62 - Step 4: Simplify right side
147,622.21x = 23,147,587,849.65 - Step 5: Solve for x
x = 23,147,587,849.65/147,622.21 - Step 6: Final answer
x = 156,802.88
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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.