Finding the Fourth Proportional to 202,903.02, 280,095.87 and 121,260.09
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Solution
The fourth proportional to 202,903.02, 280,095.87 and 121,260.09 is: 167,392.53
Step by Step Solution
- Step 1: Write the proportion equation
202,903.02 : 280,095.87 = 121,260.09 : x - Step 2: Convert to fraction form
202,903.02/280,095.87 = 121,260.09/x - Step 3: Cross multiply
202,903.02x = 280,095.87 × 121,260.09 - Step 4: Simplify right side
202,903.02x = 33,964,450,404.83 - Step 5: Solve for x
x = 33,964,450,404.83/202,903.02 - Step 6: Final answer
x = 167,392.53
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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.