Finding the Fourth Proportional to 134,896.80, 202,215.60 and 104,894.40
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Solution
The fourth proportional to 134,896.80, 202,215.60 and 104,894.40 is: 157,240.82
Step by Step Solution
- Step 1: Write the proportion equation
134,896.80 : 202,215.60 = 104,894.40 : x - Step 2: Convert to fraction form
134,896.80/202,215.60 = 104,894.40/x - Step 3: Cross multiply
134,896.80x = 202,215.60 × 104,894.40 - Step 4: Simplify right side
134,896.80x = 21,211,284,032.64 - Step 5: Solve for x
x = 21,211,284,032.64/134,896.80 - Step 6: Final answer
x = 157,240.82
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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.