Finding the Fourth Proportional to 84,207.36, 116,201.28 and 46,479.36
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Solution
The fourth proportional to 84,207.36, 116,201.28 and 46,479.36 is: 64,138.82
Step by Step Solution
- Step 1: Write the proportion equation
84,207.36 : 116,201.28 = 46,479.36 : x - Step 2: Convert to fraction form
84,207.36/116,201.28 = 46,479.36/x - Step 3: Cross multiply
84,207.36x = 116,201.28 × 46,479.36 - Step 4: Simplify right side
84,207.36x = 5,400,961,125.58 - Step 5: Solve for x
x = 5,400,961,125.58/84,207.36 - Step 6: Final answer
x = 64,138.82
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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.