Finding the Fourth Proportional to 202,636.90, 279,639.86 and 110,758.08
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Solution
The fourth proportional to 202,636.90, 279,639.86 and 110,758.08 is: 152,846.66
Step by Step Solution
- Step 1: Write the proportion equation
202,636.90 : 279,639.86 = 110,758.08 : x - Step 2: Convert to fraction form
202,636.90/279,639.86 = 110,758.08/x - Step 3: Cross multiply
202,636.90x = 279,639.86 × 110,758.08 - Step 4: Simplify right side
202,636.90x = 30,972,373,431.28 - Step 5: Solve for x
x = 30,972,373,431.28/202,636.90 - Step 6: Final answer
x = 152,846.66
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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.