Finding the Fourth Proportional to 202,709.80, 304,064.70 and 84,341.80
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Solution
The fourth proportional to 202,709.80, 304,064.70 and 84,341.80 is: 126,512.70
Step by Step Solution
- Step 1: Write the proportion equation
202,709.80 : 304,064.70 = 84,341.80 : x - Step 2: Convert to fraction form
202,709.80/304,064.70 = 84,341.80/x - Step 3: Cross multiply
202,709.80x = 304,064.70 × 84,341.80 - Step 4: Simplify right side
202,709.80x = 25,645,364,114.46 - Step 5: Solve for x
x = 25,645,364,114.46/202,709.80 - Step 6: Final answer
x = 126,512.70
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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.