Finding the Fourth Proportional to 146,370.42, 201,917.16 and 97,974.36
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Solution
The fourth proportional to 146,370.42, 201,917.16 and 97,974.36 is: 135,155.07
Step by Step Solution
- Step 1: Write the proportion equation
146,370.42 : 201,917.16 = 97,974.36 : x - Step 2: Convert to fraction form
146,370.42/201,917.16 = 97,974.36/x - Step 3: Cross multiply
146,370.42x = 201,917.16 × 97,974.36 - Step 4: Simplify right side
146,370.42x = 19,782,704,524.02 - Step 5: Solve for x
x = 19,782,704,524.02/146,370.42 - Step 6: Final answer
x = 135,155.07
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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.