Finding the Fourth Proportional to 130,491.44, 195,662.10 and 69,626.96
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Solution
The fourth proportional to 130,491.44, 195,662.10 and 69,626.96 is: 104,400.39
Step by Step Solution
- Step 1: Write the proportion equation
130,491.44 : 195,662.10 = 69,626.96 : x - Step 2: Convert to fraction form
130,491.44/195,662.10 = 69,626.96/x - Step 3: Cross multiply
130,491.44x = 195,662.10 × 69,626.96 - Step 4: Simplify right side
130,491.44x = 13,623,357,210.22 - Step 5: Solve for x
x = 13,623,357,210.22/130,491.44 - Step 6: Final answer
x = 104,400.39
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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.