Finding the Fourth Proportional to 207,119.07, 285,905.75 and 130,622.94
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Solution
The fourth proportional to 207,119.07, 285,905.75 and 130,622.94 is: 180,311.01
Step by Step Solution
- Step 1: Write the proportion equation
207,119.07 : 285,905.75 = 130,622.94 : x - Step 2: Convert to fraction form
207,119.07/285,905.75 = 130,622.94/x - Step 3: Cross multiply
207,119.07x = 285,905.75 × 130,622.94 - Step 4: Simplify right side
207,119.07x = 37,345,849,627.91 - Step 5: Solve for x
x = 37,345,849,627.91/207,119.07 - Step 6: Final answer
x = 180,311.01
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1.5x scale
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.