Finding the Fourth Proportional to 416,889.36, 625,450.68 and 136,603.44
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Solution
The fourth proportional to 416,889.36, 625,450.68 and 136,603.44 is: 204,943.38
Step by Step Solution
- Step 1: Write the proportion equation
416,889.36 : 625,450.68 = 136,603.44 : x - Step 2: Convert to fraction form
416,889.36/625,450.68 = 136,603.44/x - Step 3: Cross multiply
416,889.36x = 625,450.68 × 136,603.44 - Step 4: Simplify right side
416,889.36x = 85,438,714,438.34 - Step 5: Solve for x
x = 85,438,714,438.34/416,889.36 - Step 6: Final answer
x = 204,943.38
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1.5x scale
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.