Finding the Fourth Proportional to 195,281.57, 269,471.81 and 113,624.93
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Solution
The fourth proportional to 195,281.57, 269,471.81 and 113,624.93 is: 156,792.65
Step by Step Solution
- Step 1: Write the proportion equation
195,281.57 : 269,471.81 = 113,624.93 : x - Step 2: Convert to fraction form
195,281.57/269,471.81 = 113,624.93/x - Step 3: Cross multiply
195,281.57x = 269,471.81 × 113,624.93 - Step 4: Simplify right side
195,281.57x = 30,618,714,980.10 - Step 5: Solve for x
x = 30,618,714,980.10/195,281.57 - Step 6: Final answer
x = 156,792.65
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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.